Invalid CSS
CSS declarations that are not valid and that I wish existed.
min-aspect-ratio: 1
text-color: linear-gradient(...)
animation-repeat-period: 3s
display: visually-hidden
display: masonry
:wrapped { ... }
:stuck { ... }
border-color: gradient(...)
collapsing: none
place: center
font-family: system-font
position-items: center
position: temporal
color: anthracite
float: top