Created by: in-in
list of new properties:
align-content
animation-fill-mode
appearance
column-count
column-fill
column-gap
column-rule
column-rule-color
column-rule-style
column-rule-width
column-span
column-width
columns
direction
fill
flex-shrink
orphans
page-break-after
page-break-before
page-break-inside
perspective
src
stroke
unicode-bidi
widows