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CSS in Depth, Second Edition
To create web designs that delight, entertain, and impress your users, you need to know CSS in depth!
Getting good—really good—at CSS means learning everything that CSS is capable of. This totally revised new edition of CSS in Depth expands your CSS skills with the patterns, layouts, and methods you need to deliver truly beautiful front ends.
In CSS in Depth, Second Edition you will learn how
• Create a web page with layout methods
• Develop essential website components, like dropdown menus and dialog boxes
• Make your website fully responsive across devices
• Organize your CSS for easy future maintenance
• Implement designer mockups with attention to detail
• Use animations to guide user focus
• Avoid common CSS pitfalls
The more you know about CSS, the more confident you’ll be at tackling any tricky website design! CSS in Depth has given thousands of web developers the tools and the inspiration to make sites that really pop. This second edition is packed with the latest best practices, new CSS language features, and essential advice on how to organize and maintain your CSS codebase.
Foreword by Chris Coyier.
About the technology
To deliver truly beautiful frontends, you need to know CSS inside and out. And as CSS grows and matures, even experienced CSS developers will find a whole new set of skills to catch up on! This guide will help you discover everything that CSS is capable of—from the must-knows and brand-new features to the hidden insights you won’t find anywhere else!
About the book
CSS in Depth, Second Edition, deep dives into the CSS techniques used by the world’s most skilled web developers. Inside, you’ll learn how to build and organize a modular CSS codebase that’s easy to understand, maintain, and reuse. This new edition is fully revised to cover the CSS standard’s latest additions, including cascade layers, logical properties, new color functions, subgrid, and container queries.
What's inside
• Vertical centering, margin collapsing, and positioning
• Dropdown menus and modal dialog boxes
• Animations to guide user focus
• Avoiding common CSS pitfalls
About the reader
Written for web developers who know the basics of CSS and HTML.
About the author
Keith J. Grant is a Principal Software Engineer at Red Hat, where he works on front-end code for the Ansible Controller web application using JavaScript and CSS.
The technical editor on this book was Chris Chinchilla.
Table of Contents
PART 1
1 Cascade, specificity, and inheritance
2 Working with relative units
3 Document flow and the box model
PART 2
4 Flexbox
5 Grid layout
6 Positioning and stacking contexts
7 Responsive design
PART 3
8 Cascade layers and nesting
9 Modular CSS and scope
10 Container queries
PART 4
11 Color and contrast
12 Typography and spacing
13 Gradients, shadows, and blend modes
14 Masks, shapes, and clipping
PART 5
15 Transitions
16 Transforms
17 Animations
APPENDIXES
A Selectors reference
B Preprocess
Getting good—really good—at CSS means learning everything that CSS is capable of. This totally revised new edition of CSS in Depth expands your CSS skills with the patterns, layouts, and methods you need to deliver truly beautiful front ends.
In CSS in Depth, Second Edition you will learn how
• Create a web page with layout methods
• Develop essential website components, like dropdown menus and dialog boxes
• Make your website fully responsive across devices
• Organize your CSS for easy future maintenance
• Implement designer mockups with attention to detail
• Use animations to guide user focus
• Avoid common CSS pitfalls
The more you know about CSS, the more confident you’ll be at tackling any tricky website design! CSS in Depth has given thousands of web developers the tools and the inspiration to make sites that really pop. This second edition is packed with the latest best practices, new CSS language features, and essential advice on how to organize and maintain your CSS codebase.
Foreword by Chris Coyier.
About the technology
To deliver truly beautiful frontends, you need to know CSS inside and out. And as CSS grows and matures, even experienced CSS developers will find a whole new set of skills to catch up on! This guide will help you discover everything that CSS is capable of—from the must-knows and brand-new features to the hidden insights you won’t find anywhere else!
About the book
CSS in Depth, Second Edition, deep dives into the CSS techniques used by the world’s most skilled web developers. Inside, you’ll learn how to build and organize a modular CSS codebase that’s easy to understand, maintain, and reuse. This new edition is fully revised to cover the CSS standard’s latest additions, including cascade layers, logical properties, new color functions, subgrid, and container queries.
What's inside
• Vertical centering, margin collapsing, and positioning
• Dropdown menus and modal dialog boxes
• Animations to guide user focus
• Avoiding common CSS pitfalls
About the reader
Written for web developers who know the basics of CSS and HTML.
About the author
Keith J. Grant is a Principal Software Engineer at Red Hat, where he works on front-end code for the Ansible Controller web application using JavaScript and CSS.
The technical editor on this book was Chris Chinchilla.
Table of Contents
PART 1
1 Cascade, specificity, and inheritance
2 Working with relative units
3 Document flow and the box model
PART 2
4 Flexbox
5 Grid layout
6 Positioning and stacking contexts
7 Responsive design
PART 3
8 Cascade layers and nesting
9 Modular CSS and scope
10 Container queries
PART 4
11 Color and contrast
12 Typography and spacing
13 Gradients, shadows, and blend modes
14 Masks, shapes, and clipping
PART 5
15 Transitions
16 Transforms
17 Animations
APPENDIXES
A Selectors reference
B Preprocess
963 pages, Kindle Edition
Published October 15, 2024
62 people are currently reading
278 people want to read
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Displaying 1 - 19 of 19 reviews
June 11, 2019
CSS in Depth is an excellent book. It is a code-along experience with its examples and resources over on github (https://github.com/CSSInDepth/css-in-...). In this book, I learned more about HTML, CSS, and even some more about JavaScript. It is one of the best kinds of books on web development. I recommend it highly.
It starts with the most essential components: cascade, specificity, inheritance, relative units, and the box model. These fundamentals are often easily missed when a web developer is teaching oneself. Locking in these fundamentals really sets the stage for success. As a full stack developer with over 7 years of experience, I greatly appreciate this part of the book. So many bad habits in web design form out of a lack of knowledge on the core CSS rules. This section showed me my own bad habits (especially in the area of specificity) and helped me to understand the core of CSS much better.
After that, the author goes over layout techniques, from floats to flexbox to CSS grid, as well as responsive design. These are vital for any web developer when building modern web applications and when considering what browsers they are going to support. I found this section to be useful; at the same time, knowing how many different ways people have come up with techniques to lay out the web is both impressive and frustrating. Fortunately, we are at a point in the history of the web that old methodologies (table-based layouts, display table layouts, and float-based layouts) are becoming a relic of the past. Even legacy browsers like IE have some support for more modern layout techniques. This section is like the best kind of history lesson: it makes sense of the present by explaining the past and showing how far we've come. Good stuff.
Then, the author talks about CSS at scale. I work on an enterprise web application, and I believe the author has done us a favor by covering this topic. So often, when multiple teams work on disparate projects or even on one large project together, CSS gets duplicated, and maintaining these systems can be a big headache. Keeping web application CSS organized and intentional (using an organizational practice such as BEM) and providing a pattern library can go a long way to encouraging CSS reuse and making an enterprise web application more successful. With that said, I think these techniques should be a part of any web developer's toolkit, since they foster collaboration. Great section!
The final section of the book goes over what the author calls Advanced Topics: backgrounds, shadows, blend modes, contrast, color (HSL, anyone?), spacing, typography, animations, the list goes on. I enjoyed this section quite a bit, because coding along with the book and watching the different techniques in action feels good.
I took a very long time to read this book. I read sections in bursts, and I spent time thinking about and applying what I learned during the workday. I even did side projects where I applied what I learned. I don't have a recommendation as to how quickly you should read this book. It depends on your best way to learn. With that said, if you choose to read this book, I do recommend you type up the examples he provides and run them on a web browser.
While reading, I followed along with VS Code, a free development application that is somewhere between a text editor and a full IDE. It's awesome, and unless you have a preferred code editor already, I highly recommend it. I was throwing down new web applications left and right during the book, and I used the "Live Server" extension, as well as Emmet snippets, to quickly get from the written page to the rendered web page ;)
I remember the author tweeting about being in the process of writing this book. I was excited at the idea of this book and felt like a modern publication on this topic was desperately needed. Well, I'm done reading it, and it was well worth my time. I keep a copy on my row at work, and I share it with my teammates so we can all learn from it. I'm sure I'll be reading it again in the future.
As a final note, I like the author's teaching style. I would really like to see an online learning resource that teaches the way this book does and provides many, many more full example projects, more than a book could reasonably provide. Coding alongside the author was vital. It gets CSS into your fingers and gives you your own internal understanding of it all. Read the book. Make awesome web stuff. You can do it.
It starts with the most essential components: cascade, specificity, inheritance, relative units, and the box model. These fundamentals are often easily missed when a web developer is teaching oneself. Locking in these fundamentals really sets the stage for success. As a full stack developer with over 7 years of experience, I greatly appreciate this part of the book. So many bad habits in web design form out of a lack of knowledge on the core CSS rules. This section showed me my own bad habits (especially in the area of specificity) and helped me to understand the core of CSS much better.
After that, the author goes over layout techniques, from floats to flexbox to CSS grid, as well as responsive design. These are vital for any web developer when building modern web applications and when considering what browsers they are going to support. I found this section to be useful; at the same time, knowing how many different ways people have come up with techniques to lay out the web is both impressive and frustrating. Fortunately, we are at a point in the history of the web that old methodologies (table-based layouts, display table layouts, and float-based layouts) are becoming a relic of the past. Even legacy browsers like IE have some support for more modern layout techniques. This section is like the best kind of history lesson: it makes sense of the present by explaining the past and showing how far we've come. Good stuff.
Then, the author talks about CSS at scale. I work on an enterprise web application, and I believe the author has done us a favor by covering this topic. So often, when multiple teams work on disparate projects or even on one large project together, CSS gets duplicated, and maintaining these systems can be a big headache. Keeping web application CSS organized and intentional (using an organizational practice such as BEM) and providing a pattern library can go a long way to encouraging CSS reuse and making an enterprise web application more successful. With that said, I think these techniques should be a part of any web developer's toolkit, since they foster collaboration. Great section!
The final section of the book goes over what the author calls Advanced Topics: backgrounds, shadows, blend modes, contrast, color (HSL, anyone?), spacing, typography, animations, the list goes on. I enjoyed this section quite a bit, because coding along with the book and watching the different techniques in action feels good.
I took a very long time to read this book. I read sections in bursts, and I spent time thinking about and applying what I learned during the workday. I even did side projects where I applied what I learned. I don't have a recommendation as to how quickly you should read this book. It depends on your best way to learn. With that said, if you choose to read this book, I do recommend you type up the examples he provides and run them on a web browser.
While reading, I followed along with VS Code, a free development application that is somewhere between a text editor and a full IDE. It's awesome, and unless you have a preferred code editor already, I highly recommend it. I was throwing down new web applications left and right during the book, and I used the "Live Server" extension, as well as Emmet snippets, to quickly get from the written page to the rendered web page ;)
I remember the author tweeting about being in the process of writing this book. I was excited at the idea of this book and felt like a modern publication on this topic was desperately needed. Well, I'm done reading it, and it was well worth my time. I keep a copy on my row at work, and I share it with my teammates so we can all learn from it. I'm sure I'll be reading it again in the future.
As a final note, I like the author's teaching style. I would really like to see an online learning resource that teaches the way this book does and provides many, many more full example projects, more than a book could reasonably provide. Coding alongside the author was vital. It gets CSS into your fingers and gives you your own internal understanding of it all. Read the book. Make awesome web stuff. You can do it.
July 5, 2021
First time reading a CSS book in around 17 years, which means I managed to skip the clearfix entirely. Feeling blessed.
This book explains the state of modern CSS clearly and comprehensively. As such, it is almost certainly the least interesting book I've read this year, but it is nonetheless very useful. Recommended if you need to improve your understanding of CSS.
This book explains the state of modern CSS clearly and comprehensively. As such, it is almost certainly the least interesting book I've read this year, but it is nonetheless very useful. Recommended if you need to improve your understanding of CSS.
January 12, 2020
I am in need of updating my skills and understanding of HTML and CSS from what I picked up during the days of Web 2.0. For that purpose, I found CSS in Depth to be the right book. It is not geared toward novices and as such the presentation is fast and relatively succinct but that's exactly what I wanted.
The author does a fine job explaining the nitty-gritty of element positioning, which has always been a pain point for those who have not spent time learning how exactly CSS works. He then introduces how the newer features like flexbox and grid layout are designed to help where floats came short. With the knowledge, I could update my personal web site with responsive design in no time. The book also introduces good practices on modularizing CSS code for collaboration and scaling in mind, as well as more advanced topics like visual accents, coloring, typography, as well as animation.
While it is not designed as a reference or a cookbook and that probably reduces its utility over the long term, the code is self-contained and presented in a way that using as a refresher is easy. Overall I am very satisfied with it and glad that I picked up the right book at the right time for myself.
The author does a fine job explaining the nitty-gritty of element positioning, which has always been a pain point for those who have not spent time learning how exactly CSS works. He then introduces how the newer features like flexbox and grid layout are designed to help where floats came short. With the knowledge, I could update my personal web site with responsive design in no time. The book also introduces good practices on modularizing CSS code for collaboration and scaling in mind, as well as more advanced topics like visual accents, coloring, typography, as well as animation.
While it is not designed as a reference or a cookbook and that probably reduces its utility over the long term, the code is self-contained and presented in a way that using as a refresher is easy. Overall I am very satisfied with it and glad that I picked up the right book at the right time for myself.
July 25, 2025
`TL;DR
Highly recommended for its broad coverage of the CSS language, as well as its coverage of new and emerging CSS topics. The engaging practical exercises made it a consistently enjoyable read, as well as being informative and valuable.
My career more or less started working in back-ends. I was a Java-first engineer when I started out, and only occasionally had reason to fix a bug or something on the front end. So when I transferred to Sydney and started working in JavaScript, TypeScript and React a lot more, I just kind of picked up things as I needed them. I was working with JavaScript a lot, so I had many opportunities to learn there, and when we picked up a TypeScript project, the same was true. But I still had very little interaction with CSS — enough to do the work that came my way and design some components, but not really enough to claim to "know" CSS. I'm someone who likes to know their tools. I figured it would be wise, in the few weeks I have before I return to work, if I committed some time to getting to know the language a little bit better.
I chose Manning's CSS In Depth by Keith J. Grant. I found this book to be really valuable. It's well-organized and easy to follow. It features a steady stream of practical examples that demonstrate various CSS features and keep the pace engaging (and maybe even fun?).
The book covers a lot of ground, in roughly four sections:
The first section covers CSS basics. This is mostly material I knew, but some things were clarified for me here, particularly in understanding how conflicts between selectors get resolved. It also highlighted some gotchas working with shorthand notations that I didn't know about.
The next section covers layout. This is where I expected to find the most value, and I did find a lot of value here. I feel much more confident working with flexbox. I feel I can hold my own working with grid. And position (fixed, absolute, relative, etc.) is much clearer to me. There was also a good discussion of responsive design that put some new tricks in my toolbelt (auto-scaling fonts with min/max sizes are pretty cool).
Part 3 is the part I didn't know I needed. A lot of this covers how the CSS standard is evolving to embrace features originally introduced by CSS preprocessors. CSS layers give you another mechanism for controlling how the cascade resolves a conflict between selectors. Container queries let you scale responsive elements according to their container size, rather than the size of the entire viewport. Scopes might be my favorite: they give you much the same advantages of the BEM convention, limiting your styles to where you want them to go. But they also allow you to specify a lower bound beyond which your styles will not apply. So if you're defining a module meant to contain modules, you no longer have to be quite so careful about how your selectors apply within that scope. It's pretty cool, and it was fun to read about and use.
Having read part 3, I now feel that CSS preprocessors are nearly if not entirely obsolete. Reasons you might still use a CSS preprocessor:
• Some features described in the CSS standard are not yet supported in all browsers — a CSS preprocessor using equivalent features will output CSS that is broadly compliant
• there may still be a few properties that require vendor prefixes — a CSS preprocessor can take care of these transparently
• merging disparate CSS files into a single artifact (but a bundler will do this, too)
• named breakpoints for responsive sites (CSS custom properties are not in scope for media queries)
That's kind of it. Armed with that knowledge the question of whether you need to be using a CSS preprocessor seems to me less of a slam-dunk than it used to be.
Part 4, in the author's estimation, is the "fun" part. I'm not sure I agree. It covers the elements that will please folks a little farther towards "designer" on the "designer/engineer" spectrum than I am. Still, it's good to know about some of the color, typography, and mask/clipping features that I didn't really know much about before. And the discussion on the newly supported wider color spaces was pretty interesting.
Nearly last, Part 5 covers motion (and by association transforms). This also felt a bit more on the "designer" side of things for me, but certainly I can see the value of using motion to communicate with the user in an intuitive way. And it's good to know the performance benefits of using transforms over position properties (and, at a high level, why they perform better).
Last come two appendices: one that discusses selectors, and another that summarizes CSS preprocessors and compares two leading implementations. I was a bit surprised to find the discussion of something as fundamental to CSS selectors relegated to the appendices, and not right up-front in the "basics" section, but I can kind of see why he did it that way. They don't really require much explanation and a list of selectors and selector components, coupled with their regular use throughout the book, seems an adequate exposure to the topic.
Having read this book, I do not necessarily feel I'm a CSS expert. But I do feel armed with the knowledge I need to tackle projects that will help me to become one. I feel much more prepared to engage with CSS. I feel like I could recognize some not-very-good CSS and refactor it into something better, rather than just timidly adding my changes to it while trying not to break anything. What's more, the book was pleasant to read, and I found myself multiple times doing that "just one more chapter" thing that I used to do with novels, when I still read novels.
If you're a CSS novice, or you just want to get exposed to some of the new features, you could certainly do worse than this book. I do recommend it.`
Highly recommended for its broad coverage of the CSS language, as well as its coverage of new and emerging CSS topics. The engaging practical exercises made it a consistently enjoyable read, as well as being informative and valuable.
My career more or less started working in back-ends. I was a Java-first engineer when I started out, and only occasionally had reason to fix a bug or something on the front end. So when I transferred to Sydney and started working in JavaScript, TypeScript and React a lot more, I just kind of picked up things as I needed them. I was working with JavaScript a lot, so I had many opportunities to learn there, and when we picked up a TypeScript project, the same was true. But I still had very little interaction with CSS — enough to do the work that came my way and design some components, but not really enough to claim to "know" CSS. I'm someone who likes to know their tools. I figured it would be wise, in the few weeks I have before I return to work, if I committed some time to getting to know the language a little bit better.
I chose Manning's CSS In Depth by Keith J. Grant. I found this book to be really valuable. It's well-organized and easy to follow. It features a steady stream of practical examples that demonstrate various CSS features and keep the pace engaging (and maybe even fun?).
The book covers a lot of ground, in roughly four sections:
The first section covers CSS basics. This is mostly material I knew, but some things were clarified for me here, particularly in understanding how conflicts between selectors get resolved. It also highlighted some gotchas working with shorthand notations that I didn't know about.
The next section covers layout. This is where I expected to find the most value, and I did find a lot of value here. I feel much more confident working with flexbox. I feel I can hold my own working with grid. And position (fixed, absolute, relative, etc.) is much clearer to me. There was also a good discussion of responsive design that put some new tricks in my toolbelt (auto-scaling fonts with min/max sizes are pretty cool).
Part 3 is the part I didn't know I needed. A lot of this covers how the CSS standard is evolving to embrace features originally introduced by CSS preprocessors. CSS layers give you another mechanism for controlling how the cascade resolves a conflict between selectors. Container queries let you scale responsive elements according to their container size, rather than the size of the entire viewport. Scopes might be my favorite: they give you much the same advantages of the BEM convention, limiting your styles to where you want them to go. But they also allow you to specify a lower bound beyond which your styles will not apply. So if you're defining a module meant to contain modules, you no longer have to be quite so careful about how your selectors apply within that scope. It's pretty cool, and it was fun to read about and use.
Having read part 3, I now feel that CSS preprocessors are nearly if not entirely obsolete. Reasons you might still use a CSS preprocessor:
• Some features described in the CSS standard are not yet supported in all browsers — a CSS preprocessor using equivalent features will output CSS that is broadly compliant
• there may still be a few properties that require vendor prefixes — a CSS preprocessor can take care of these transparently
• merging disparate CSS files into a single artifact (but a bundler will do this, too)
• named breakpoints for responsive sites (CSS custom properties are not in scope for media queries)
That's kind of it. Armed with that knowledge the question of whether you need to be using a CSS preprocessor seems to me less of a slam-dunk than it used to be.
Part 4, in the author's estimation, is the "fun" part. I'm not sure I agree. It covers the elements that will please folks a little farther towards "designer" on the "designer/engineer" spectrum than I am. Still, it's good to know about some of the color, typography, and mask/clipping features that I didn't really know much about before. And the discussion on the newly supported wider color spaces was pretty interesting.
Nearly last, Part 5 covers motion (and by association transforms). This also felt a bit more on the "designer" side of things for me, but certainly I can see the value of using motion to communicate with the user in an intuitive way. And it's good to know the performance benefits of using transforms over position properties (and, at a high level, why they perform better).
Last come two appendices: one that discusses selectors, and another that summarizes CSS preprocessors and compares two leading implementations. I was a bit surprised to find the discussion of something as fundamental to CSS selectors relegated to the appendices, and not right up-front in the "basics" section, but I can kind of see why he did it that way. They don't really require much explanation and a list of selectors and selector components, coupled with their regular use throughout the book, seems an adequate exposure to the topic.
Having read this book, I do not necessarily feel I'm a CSS expert. But I do feel armed with the knowledge I need to tackle projects that will help me to become one. I feel much more prepared to engage with CSS. I feel like I could recognize some not-very-good CSS and refactor it into something better, rather than just timidly adding my changes to it while trying not to break anything. What's more, the book was pleasant to read, and I found myself multiple times doing that "just one more chapter" thing that I used to do with novels, when I still read novels.
If you're a CSS novice, or you just want to get exposed to some of the new features, you could certainly do worse than this book. I do recommend it.`
February 29, 2020
This book is not bad, I guess I liked it as it really taught me something. Why do I give it 4 stars? For me an essential part this book missed is comparisons, benchmarking and some advices. It tells about floats and flexes, but it does not explain how much flexbox is more performant and why we should use it. There is also a chapter about animations but no word about how to write performant animations and not laggy ones. On the other side this book does provide tips and tricks about how to make things done the right way so on the whole I'm satisfied I have read this book.
May 8, 2022
Too much page wasted, little content.
Very hard to read without a computer nearby.
I recommend video tutorials for CSS. If you are looking for a book, I can only recommend O'Reilly's CSS: The Definitive Guide.
Very hard to read without a computer nearby.
I recommend video tutorials for CSS. If you are looking for a book, I can only recommend O'Reilly's CSS: The Definitive Guide.
May 3, 2019
There are plenty of really helpful secrets to become better developer, can't say it's brilliant, sometimes it lucks some examples as for me, but still it's a mustread for all the interested people. I recommend it to my friends and recommend to all of you.
May 28, 2019
A really comprehensive look at CSS. Worth reading for both beginners and advanced users. Strongly recommend.
April 27, 2020
If you are sick of Bootstrap and want to create unique website designs read this book.
August 6, 2020
My favorite book on CSS. This was the most practical. Not for absolute beginners, but great for taking basic css knowledge to the next level.
February 12, 2021
A helpful guide. Probably best to read the first half (Part 1 & 2) thoroughly and then leave the rest (3 & 4) for an if-needed basis.
May 20, 2022
Does a pretty good job of doing what it said it'd go, go in depth.
December 8, 2022
Best book on CSS! Read it and get confident about vanilla CSS like never before.
November 7, 2023
Almost tempted to read it in one sitting. It is that good, whys and hows in one neat package. Can't wait to read the second edition when it is finished.
July 25, 2025
`TL;DR
Highly recommended for its broad coverage of the CSS language, as well as its coverage of new and emerging CSS topics. The engaging practical exercises made it a consistently enjoyable read, as well as being informative and valuable.
My career more or less started working in back-ends. I was a Java-first engineer when I started out, and only occasionally had reason to fix a bug or something on the front end. So when I transferred to Sydney and started working in JavaScript, TypeScript and React a lot more, I just kind of picked up things as I needed them. I was working with JavaScript a lot, so I had many opportunities to learn there, and when we picked up a TypeScript project, the same was true. But I still had very little interaction with CSS — enough to do the work that came my way and design some components, but not really enough to claim to "know" CSS. I'm someone who likes to know their tools. I figured it would be wise, in the few weeks I have before I return to work, if I committed some time to getting to know the language a little bit better.
I chose Manning's CSS In Depth by Keith J. Grant. I found this book to be really valuable. It's well-organized and easy to follow. It features a steady stream of practical examples that demonstrate various CSS features and keep the pace engaging (and maybe even fun?).
The book covers a lot of ground, in roughly four sections:
The first section covers CSS basics. This is mostly material I knew, but some things were clarified for me here, particularly in understanding how conflicts between selectors get resolved. It also highlighted some gotchas working with shorthand notations that I didn't know about.
The next section covers layout. This is where I expected to find the most value, and I did find a lot of value here. I feel much more confident working with flexbox. I feel I can hold my own working with grid. And position (fixed, absolute, relative, etc.) is much clearer to me. There was also a good discussion of responsive design that put some new tricks in my toolbelt (auto-scaling fonts with min/max sizes are pretty cool).
Part 3 is the part I didn't know I needed. A lot of this covers how the CSS standard is evolving to embrace features originally introduced by CSS preprocessors. CSS layers give you another mechanism for controlling how the cascade resolves a conflict between selectors. Container queries let you scale responsive elements according to their container size, rather than the size of the entire viewport. Scopes might be my favorite: they give you much the same advantages of the BEM convention, limiting your styles to where you want them to go. But they also allow you to specify a lower bound beyond which your styles will not apply. So if you're defining a module meant to contain modules, you no longer have to be quite so careful about how your selectors apply within that scope. It's pretty cool, and it was fun to read about and use.
Part 4, in the author's estimation, is the "fun" part. I'm not sure I agree. It covers the elements that will please folks a little farther towards "designer" on the "designer/engineer" spectrum than I am. Still, it's good to know about some of the color, typography, and mask/clipping features that I didn't really know much about before. And the discussion on the newly supported wider color spaces was pretty interesting.
Nearly last, Part 5 covers motion (and by association transforms). This also felt a bit more on the "designer" side of things for me, but certainly I can see the value of using motion to communicate with the user in an intuitive way. And it's good to know the performance benefits of using transforms over position properties (and, at a high level, why they perform better).
Last come two appendices: one that discusses selectors, and another that summarizes CSS preprocessors and compares two leading implementations. I was a bit surprised to find the discussion of something as fundamental to CSS selectors relegated to the appendices, and not right up-front in the "basics" section, but I can kind of see why he did it that way. They don't really require much explanation and a list of selectors and selector components, coupled with their regular use throughout the book, seems an adequate exposure to the topic.
Having read this book, I do not necessarily feel I'm a CSS expert. But I do feel armed with the knowledge I need to tackle projects that will help me to become one. I feel much more prepared to engage with CSS. I feel like I could recognize some not-very-good CSS and refactor it into something better, rather than just timidly adding my changes to it while trying not to break anything. What's more, the book was pleasant to read, and I found myself multiple times doing that "just one more chapter" thing that I used to do with novels, when I still read novels.
If you're a CSS novice, or you just want to get exposed to some of the new features, you could certainly do worse than this book. I do recommend it.`
Highly recommended for its broad coverage of the CSS language, as well as its coverage of new and emerging CSS topics. The engaging practical exercises made it a consistently enjoyable read, as well as being informative and valuable.
My career more or less started working in back-ends. I was a Java-first engineer when I started out, and only occasionally had reason to fix a bug or something on the front end. So when I transferred to Sydney and started working in JavaScript, TypeScript and React a lot more, I just kind of picked up things as I needed them. I was working with JavaScript a lot, so I had many opportunities to learn there, and when we picked up a TypeScript project, the same was true. But I still had very little interaction with CSS — enough to do the work that came my way and design some components, but not really enough to claim to "know" CSS. I'm someone who likes to know their tools. I figured it would be wise, in the few weeks I have before I return to work, if I committed some time to getting to know the language a little bit better.
I chose Manning's CSS In Depth by Keith J. Grant. I found this book to be really valuable. It's well-organized and easy to follow. It features a steady stream of practical examples that demonstrate various CSS features and keep the pace engaging (and maybe even fun?).
The book covers a lot of ground, in roughly four sections:
The first section covers CSS basics. This is mostly material I knew, but some things were clarified for me here, particularly in understanding how conflicts between selectors get resolved. It also highlighted some gotchas working with shorthand notations that I didn't know about.
The next section covers layout. This is where I expected to find the most value, and I did find a lot of value here. I feel much more confident working with flexbox. I feel I can hold my own working with grid. And position (fixed, absolute, relative, etc.) is much clearer to me. There was also a good discussion of responsive design that put some new tricks in my toolbelt (auto-scaling fonts with min/max sizes are pretty cool).
Part 3 is the part I didn't know I needed. A lot of this covers how the CSS standard is evolving to embrace features originally introduced by CSS preprocessors. CSS layers give you another mechanism for controlling how the cascade resolves a conflict between selectors. Container queries let you scale responsive elements according to their container size, rather than the size of the entire viewport. Scopes might be my favorite: they give you much the same advantages of the BEM convention, limiting your styles to where you want them to go. But they also allow you to specify a lower bound beyond which your styles will not apply. So if you're defining a module meant to contain modules, you no longer have to be quite so careful about how your selectors apply within that scope. It's pretty cool, and it was fun to read about and use.
Part 4, in the author's estimation, is the "fun" part. I'm not sure I agree. It covers the elements that will please folks a little farther towards "designer" on the "designer/engineer" spectrum than I am. Still, it's good to know about some of the color, typography, and mask/clipping features that I didn't really know much about before. And the discussion on the newly supported wider color spaces was pretty interesting.
Nearly last, Part 5 covers motion (and by association transforms). This also felt a bit more on the "designer" side of things for me, but certainly I can see the value of using motion to communicate with the user in an intuitive way. And it's good to know the performance benefits of using transforms over position properties (and, at a high level, why they perform better).
Last come two appendices: one that discusses selectors, and another that summarizes CSS preprocessors and compares two leading implementations. I was a bit surprised to find the discussion of something as fundamental to CSS selectors relegated to the appendices, and not right up-front in the "basics" section, but I can kind of see why he did it that way. They don't really require much explanation and a list of selectors and selector components, coupled with their regular use throughout the book, seems an adequate exposure to the topic.
Having read this book, I do not necessarily feel I'm a CSS expert. But I do feel armed with the knowledge I need to tackle projects that will help me to become one. I feel much more prepared to engage with CSS. I feel like I could recognize some not-very-good CSS and refactor it into something better, rather than just timidly adding my changes to it while trying not to break anything. What's more, the book was pleasant to read, and I found myself multiple times doing that "just one more chapter" thing that I used to do with novels, when I still read novels.
If you're a CSS novice, or you just want to get exposed to some of the new features, you could certainly do worse than this book. I do recommend it.`
February 12, 2023
I would rarely read a book CSS, as most of the books on the subject are either outdated or just have poor content but “CSS in depth" is an exception. The author presents each concept clearly and provides accompanying code examples, making the book a valuable resource for both experienced developers and those new to the subject.
May 8, 2025
no big difference from the first edition, added
1. chapter 8: cascade layers and nesting
2. chapter 10: container queries
3. chapter 14: masks, shapes, and clipping
some of these features are not supported by all browsers, as the time of now(May 2025), so you may not need to read this book if you don't intend to use this features and have finished the first edition
1. chapter 8: cascade layers and nesting
2. chapter 10: container queries
3. chapter 14: masks, shapes, and clipping
some of these features are not supported by all browsers, as the time of now(May 2025), so you may not need to read this book if you don't intend to use this features and have finished the first edition
December 16, 2024
Done for now. I decided to read this book because I self-taught css and wanted to learn industry best practices. Though technologies have innovated since this book was published in 2018, its lessons are still relevant.
November 28, 2025
If you want to be a philosophy in CSS, this book is for you.
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