CSS

CSS now has many exciting new features. Hopefully these will be widely available soon!

CSS Grid

Can I use

Faster Layouts with CSS Grid (and Subgrid!)

And watch videos: 1, 2, 3.

Style underline with CSS!

Can I use

CSS Text Decoration Module Level 4.

prefers-color-scheme

Can I use

Lets you use light and dark color schemes in all browsers

Efficiently load JavaScript with defer and async