Uploaded June 2025 | Updated September 2026, 2 weeks ago
β Check out Julia's channel: youtube.com/c/JuliaMiocene
β Her incredible CodePens: codepen.io/miocene
β And everything else of hers: miocene.io
β CSS Battles now has interactive CSS lessons as well! https://cssbattle.dev/learn?via=kevin (this is an affiliate link, so if you sign up, you also help support my channel π)
β Timestamps
00:00 - Introduction
00:38 - How the challenges will work
01:13 - Battle 1
07:36 - Battle 2
11:30 - Battle 3
14:25 - Battle 4
17:18 - Battle 5
20:14 - Check out Julia's channel!
#css
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/
---
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!
β Check out Julia's channel: youtube.com/c/JuliaMiocene
β Her incredible CodePens: codepen.io/miocene
β And everything else of hers: miocene.io
β CSS Battles now has interactive CSS lessons as well! https://cssbattle.dev/learn?via=kevin (this is an affiliate link, so if you sign up, you also help support my channel π)
β Timestamps
00:00 - Introduction
00:38 - How the challenges will work
01:13 - Battle 1
07:36 - Battle 2
11:30 - Battle 3
14:25 - Battle 4
17:18 - Battle 5
20:14 - Check out Julia's channel!
#css
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/
---
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/
β Timestamps
00:00 - Introduction
01:18 - The basic setup
02:20 - Adding the view transition
03:50 - Basics of modifying the view transition with CSS
05:25 - Sliding the new theme in
07:50 - Bouncing in the new theme
09:36 - The circle effect
#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! Quick & Easy Theme Transitions](https://i.ytimg.com/vi/f_aqzyIDudI/mqdefault.jpg)

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! Learning how CSS-only carousels are going to work](https://i.ytimg.com/vi/g03Yldh9Nkw/mqdefault.jpg)

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: 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! Getting started with CSS Nesting](https://i.ytimg.com/vi/h4Xp1QgNkhU/mqdefault.jpg)

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)
