Uploaded December 2025 | Updated September 2026, 2 weeks ago
CSS Nesting is awesome, though there are a few important things to know about it, which I break down in this video.
- Combinators video: youtu.be/rndMS4pEKP8
- Focus-visible: youtu.be/apdD69J4bEc
β Keep up to date with everything I'm up to kevinpowell.co/newsletter
π¬ Come hang out with other devs in my Discord Community discord.gg/nTYCvrK
β Are you a beginner? HTML & CSS for absolute beginners is for you: learn.kevinpowell.co
π Start writing CSS with confidence with CSS Demystified: [https://cssdemystified.com](https://cssdemystified.com/)
π Already mastered CSS? Check out my advanced course, Beyond CSS: https://www.beyondcss.dev/
β Timestamps
00:00 - Introduction
00:30 - The basics of nesting
04:45 - Donβt over nest
05:30 - The & character (ampersand)
08:55 - How & works behind the scenes and a potential problem you could run into
13:45 - It doesnβt work with BEM
16:45 - Searchability isnβt an issue
17:40 - My favorite use case
#css
---
Help support my channel
π¨βπ Get a course: kevinpowell.co/courses
π Buy a shirt: cottonbureau.com/people/kevin-powell
π Support me on Patreon: patreon.com/kevinpowell or through YT memberships: youtube.com/@KevinPowell/join
---
π§βπ» My editor: VS Code - code.visualstudio.com
π My theme: One Dark Pro Var Night
π€ My font: Cascadia Code
---
I'm on some other places on the internet too!
If you'd like a behind the scenes and previews of what's coming up on my YouTube channel:
Bluesky: https://bsky.app/profile/kevinpowell.co
Codepen: codepen.io/kevinpowell
Github: github.com/kevin-powell
---
And whatever you do, don't forget to keep on making your corner of the internet just a little bit more awesome!
CSS Nesting is awesome, though there are a few important things to know about it, which I break down in this video.
- Combinators video: youtu.be/rndMS4pEKP8
- Focus-visible: youtu.be/apdD69J4bEc
β Keep up to date with everything I'm up to kevinpowell.co/newsletter
π¬ Come hang out with other devs in my Discord Community discord.gg/nTYCvrK
β Are you a beginner? HTML & CSS for absolute beginners is for you: learn.kevinpowell.co
π Start writing CSS with confidence with CSS Demystified: [https://cssdemystified.com](https://cssdemystified.com/)
π Already mastered CSS? Check out my advanced course, Beyond CSS: https://www.beyondcss.dev/
β Timestamps
00:00 - Introduction
00:30 - The basics of nesting
04:45 - Donβt over nest
05:30 - The & character (ampersand)
08:55 - How & works behind the scenes and a potential problem you could run into
13:45 - It doesnβt work with BEM
16:45 - Searchability isnβt an issue
17:40 - My favorite use case
#css
---
Help support my channel
π¨βπ Get a course: kevinpowell.co/courses
π Buy a shirt: cottonbureau.com/people/kevin-powell
π Support me on Patreon: patreon.com/kevinpowell or through YT memberships: youtube.com/@KevinPowell/join
---
π§βπ» My editor: VS Code - code.visualstudio.com
π My theme: One Dark Pro Var Night
π€ My font: Cascadia Code
---
I'm on some other places on the internet too!
If you'd like a behind the scenes and previews of what's coming up on my YouTube channel:
Bluesky: https://bsky.app/profile/kevinpowell.co
Codepen: codepen.io/kevinpowell
Github: github.com/kevin-powell
---
And whatever you do, don't forget to keep on making your corner of the internet just a little bit more awesome!

π Already mastered CSS? Check out my advanced course, Beyond CSS: https://www.beyondcss.dev/
Help support my channel
π¨βπ Get a course: https://www.kevinpowell.co/courses
π Buy a shirt: https://cottonbureau.com/people/kevin-powell
π Support me on Patreon: https://www.patreon.com/kevinpowell or through YT memberships: https://youtube.com/@KevinPowell/join
π§βπ» My editor: VS Code - https://code.visualstudio.com/
π My theme: One Dark Pro Var Night
π€ My font: Cascadia Code
Im on some other places on the internet too!
If youd like a behind the scenes and previews of whats coming up on my YouTube channel:
Bluesky: https://bsky.app/profile/kevinpowell.co
Codepen: https://codepen.io/kevinpowell/
Github: https://github.com/kevin-powell
And whatever you do, dont forget to keep on making your corner of the internet just a little bit more awesome! Responsive Bento Grid | CSS Tutorial | Frontend Mentor Challenge](https://i.ytimg.com/vi/h4dHvo09cG4/mqdefault.jpg)

π Already mastered CSS? Check out my advanced course, Beyond CSS: https://www.beyondcss.dev/
β Timestamps
00:00 - Introduction
03:00 - Using novalidate and manually checking validation
09:30 - Checking all the form fields
15:00 - Adding error messages
17:30 - Removing the error elements when they are empty
18:52 - Styling for the error states
20:20 - aria-live=βpoliteβ
22:00 - Custom text for each error message
25:25 - Adding the errors for the radio buttons
29:00 - Adding error messages when the user moves out of a form field
32:45 - Removing error messages when a user fixes the problem
34:00 - Adding focus to the first invalid element on submit
36:40 - Fixing the layout when error messages appear
#css
Help support my channel
π¨βπ Get a course: https://www.kevinpowell.co/courses
π Buy a shirt: https://cottonbureau.com/people/kevin-powell
π Support me on Patreon: https://www.patreon.com/kevinpowell or through YT memberships: https://youtube.com/@KevinPowell/join
π§βπ» My editor: VS Code - https://code.visualstudio.com/
π My theme: One Dark Pro Var Night
π€ My font: Cascadia Code
Im on some other places on the internet too!
If youd like a behind the scenes and previews of whats coming up on my YouTube channel:
Bluesky: https://bsky.app/profile/kevinpowell.co
Codepen: https://codepen.io/kevinpowell/
Github: https://github.com/kevin-powell
And whatever you do, dont forget to keep on making your corner of the internet just a little bit more awesome! How to set custom error messages for your HTML forms](https://i.ytimg.com/vi/h5qqmE83Tes/mqdefault.jpg)



π Already mastered CSS? Check out my advanced course, Beyond CSS: https://www.beyondcss.dev/
β Timestamps
00:00 - Introduction
00:55 - Centering text with a max-width
04:30 - Using nesting for modifiers
06:20 - Forcing styles to fix things like stacking contexts
#css
Help support my channel
π¨βπ Get a course: https://www.kevinpowell.co/courses
π Buy a shirt: https://cottonbureau.com/people/kevin-powell
π Support me on Patreon: https://www.patreon.com/kevinpowell or through YT memberships: https://youtube.com/@KevinPowell/join
π§βπ» My editor: VS Code - https://code.visualstudio.com/
π My theme: One Dark Pro Var Night
π€ My font: Cascadia Code
Im on some other places on the internet too!
If youd like a behind the scenes and previews of whats coming up on my YouTube channel:
Bluesky: https://bsky.app/profile/kevinpowell.co
Codepen: https://codepen.io/kevinpowell/
Github: https://github.com/kevin-powell
And whatever you do, dont forget to keep on making your corner of the internet just a little bit more awesome! 3 powerful CSS nesting tricks](https://i.ytimg.com/vi/hiwvjsmD2iY/mqdefault.jpg)

π Already mastered CSS? Check out my advanced course, Beyond CSS: https://www.beyondcss.dev/
#css
β Timestamps
00:00 - Introduction
00:46 - Battle 235
08:07 - Battle 236
23:44 - Battle 237
#css
Help support my channel
π¨βπ Get a course: https://www.kevinpowell.co/courses
π Buy a shirt: https://cottonbureau.com/people/kevin-powell
π Support me on Patreon: https://www.patreon.com/kevinpowell or through YT memberships: https://youtube.com/@KevinPowell/join
π§βπ» My editor: VS Code - https://code.visualstudio.com/
π My theme: One Dark Pro Var Night
π€ My font: Cascadia Code
Im on some other places on the internet too!
If youd like a behind the scenes and previews of whats coming up on my YouTube channel:
Bluesky: https://bsky.app/profile/kevinpowell.co
Codepen: https://codepen.io/kevinpowell/
Github: https://github.com/kevin-powell
And whatever you do, dont forget to keep on making your corner of the internet just a little bit more awesome! Challenging you to a CSS Battle](https://i.ytimg.com/vi/hoDmeE72G7A/mqdefault.jpg)




π Already mastered CSS? Check out my advanced course, Beyond CSS: https://www.beyondcss.dev/
β Timestamps
00:00 - Introduction
01:00 - The HTML
04:00 - form-group vs. wrapping inside a label
06:25 - Continuing the HTML
09:40 - Using a fieldset for the radio buttons
15:30 - Adding the checkbox
18:00 - Starting the CSS
24:20 - Creating the layout for the form
31:20 - Styling the inputs
35:45 - Adding the star to the required labels
39:20 - Fixing the star for the fieldset and radio labels
44:00 - Adding the border and background to the radio selectors
49:00 - The fieldset layout
51:20 - The height of the text area without magic numbers
54:50 - Styling the button
56:60 - Making the entire radio button area clickable
1:00:00 - Error states
Help support my channel
π¨βπ Get a course: https://www.kevinpowell.co/courses
π Buy a shirt: https://cottonbureau.com/people/kevin-powell
π Support me on Patreon: https://www.patreon.com/kevinpowell or through YT memberships: https://youtube.com/@KevinPowell/join
π§βπ» My editor: VS Code - https://code.visualstudio.com/
π My theme: One Dark Pro Var Night
π€ My font: Cascadia Code
Im on some other places on the internet too!
If youd like a behind the scenes and previews of whats coming up on my YouTube channel:
Bluesky: https://bsky.app/profile/kevinpowell.co
Codepen: https://codepen.io/kevinpowell/
Github: https://github.com/kevin-powell
And whatever you do, dont forget to keep on making your corner of the internet just a little bit more awesome! A deceptively complex form / HTML & CSS / Frontend Mentor](https://i.ytimg.com/vi/jJgNgNNHqjk/mqdefault.jpg)

π Already mastered CSS? Check out my advanced course, Beyond CSS: https://www.beyondcss.dev/
Im on some other places on the internet too!
If youd like a behind the scenes and previews of whats coming up on my YouTube channel:
Bluesky: https://bsky.app/profile/kevinpowell.co
Codepen: https://codepen.io/kevinpowell/
Github: https://github.com/kevin-powell
And whatever you do, dont forget to keep on making your corner of the internet just a little bit more awesome! New CSS features to know for 2025](https://i.ytimg.com/vi/jSCgZqoebsM/mqdefault.jpg)