Starsam80 8d031090d0 Rename .flex-xs-* and .flex-items-xs-* to .flex-* and .flex-items-* (#21218)
* Clean up _flex.scss a little

This commit just cleans up the formating of _flex.scss by changing
it so that it uses a single `@include media-breakpoint-up` instead
of multiple. It also aligns all of the CSS properties so it looks
a bit nicer.

* Remove `-xs` from flex classes
2016-11-27 15:19:27 -08:00
..
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2016-11-24 12:08:25 +11:00
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