Frontend News #17: Why :is(::before, ::after) Doesn’t Work, Why You Should Switch to OKLCH, & More

Find out why pseudo-elements (::before, ::after) don’t work with the ‘:is()’ pseudo-class function, and more.

Find out why pseudo-elements (::before, ::after) don’t work with the :is() pseudo-class function, what the difference between HSL and OKLCH color formats is, why you’re not writing as much code as you’d like at work, and more.

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Chapters

• 00:00 Intro
• 00:29 Why :is(::before,::after) doesn't work
• 02:05 OKLCH in CSS: why we moved from RGB and HSL
• 04:24 Vue School Free Weekend
• 05:22 Many years on the job and I still don't get it
• 06:39 a11y-dev-mode.css
• 07:56 Backrooms - Full 3D CSS Game