Uploaded June 2025 | Updated September 2026, 2 weeks ago
On a recent quiz, only 34% of people correctly identified which choice wasn't a valid pseudo-element, which means not enough people know about ::marker and ::selection!
🔗 Links
✅ kevinpowell.co/courses
⌚ Timestamps
00:00 - Introduction
00:24 - the ::selection pseudo-element
02:33 - the ::marker pseudo-elements
#css
✉ Keep up to date with everything I'm up to kevinpowell.co/newsletter
💬 Come hang out with other devs in my Discord Community discord.gg/nTYCvrK
⭐ Are you a beginner? HTML & CSS for absolute beginners is for you: learn.kevinpowell.co
🎓 Start writing CSS with confidence with CSS Demystified: [https://cssdemystified.com](https://cssdemystified.com/)
🚀 Already mastered CSS? Check out my advanced course, Beyond CSS: https://www.beyondcss.dev/
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Help support my channel
👨🎓 Get a course: kevinpowell.co/courses
👕 Buy a shirt: cottonbureau.com/people/kevin-powell
💖 Support me on Patreon: patreon.com/kevinpowell or through YT memberships: youtube.com/@KevinPowell/join
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🧑💻 My editor: VS Code - code.visualstudio.com
🌈 My theme: One Dark Pro Var Night
🔤 My font: Cascadia Code
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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!
On a recent quiz, only 34% of people correctly identified which choice wasn't a valid pseudo-element, which means not enough people know about ::marker and ::selection!
🔗 Links
✅ kevinpowell.co/courses
⌚ Timestamps
00:00 - Introduction
00:24 - the ::selection pseudo-element
02:33 - the ::marker pseudo-elements
#css
✉ Keep up to date with everything I'm up to kevinpowell.co/newsletter
💬 Come hang out with other devs in my Discord Community discord.gg/nTYCvrK
⭐ Are you a beginner? HTML & CSS for absolute beginners is for you: learn.kevinpowell.co
🎓 Start writing CSS with confidence with CSS Demystified: [https://cssdemystified.com](https://cssdemystified.com/)
🚀 Already mastered CSS? Check out my advanced course, Beyond CSS: https://www.beyondcss.dev/
---
Help support my channel
👨🎓 Get a course: kevinpowell.co/courses
👕 Buy a shirt: cottonbureau.com/people/kevin-powell
💖 Support me on Patreon: patreon.com/kevinpowell or through YT memberships: youtube.com/@KevinPowell/join
---
🧑💻 My editor: VS Code - code.visualstudio.com
🌈 My theme: One Dark Pro Var Night
🔤 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!
