:not(:open) and :closed? As always, it depends. Sunkanmi Fafowora explains why :closed is currently not a thing. 
CSS Masonry shaping up now that the CSSWG has landed on display: grid-lanes to trigger the layout switch.…
The CSSWG just released the first public working draft of the specifications for adding gap decorations — you know, like drawing lines between boxes in multicolumn, flex, and grid layouts.…
Masonry in CSS: There’s a new, third option in the debate that combines Flexbox and CSS Grid features into a new system of “Item Flow” properties. The WebKit blog has all the gory details.…
The CSSWG has voted to add a size keyword that’s shorthand for the width and height properties.…
The Apple team just dropped an interesting idea for masonry layout that I think will make a lot of folks shift their opinion on the debate: #11243…
