Remove outdated prefixes?
A Complete Guide to Flexbox | CSS-Tricks - CSS-Tricks
Flexbox - Learn web development | MDN
New syntax of flexbox
CSS Basics Online Class: All Flexbox Properties at a Glance
Issue #2292 | webcompat.com
CSS Flexbox: The Best Tutorial To Understand Flex Model
flexbox - `display: -webkit-flex;` not showing/used in style in safari browser - Stack Overflow
Flexbox old syntax to new syntax converter - otsukare
A Complete Guide to Flexbox | CSS-Tricks - CSS-Tricks
Chrome devtools just added built-in Flex editor. - YouTube
A Complete Guide to Flexbox | CSS-Tricks - CSS-Tricks
webkit not honouring flex-basis percentage width with images · Issue #273 · philipwalton/flexbugs · GitHub
display: -webkit-flex;` breaks latest Chrome -- caniuse seems to be incorrect... ? · Issue #104 · postcss/autoprefixer · GitHub
CSS Basics Online Class: All Flexbox Properties at a Glance
