General Utility Mixins
These are intended to abstract out common code that depends on an argument.
Utility to simply strip units from any value.
@function strip-unit($value)Rem with pixel fallback for font sizes.
+font-size($sizeValue: 14)Vertically center using line-height (not suitable for multiple lines of text).
+vertically-center($x: 20)Style input placeholders (Pass in a content block).
+placeholder()Create square dimenstions based on width, returns width & height.
+size($w, $h: $w)Gradient Background overlay (for images).
+image-overlay--gradient( $color-start: $darkgray, $opacity-start: 0.5, $color-end: #FFF, $opacity-end: 0, $start: 0, $stop: 35% )Flat Background overlay (for images). 35% percent.
+image-overlay--flat( $percent: 0.35, $color: $darkgray )A mixin to help clean up z-index madness. Options are: `below`, `default`, `middle`, `top`, `modal`, and `above-ad`
+z-layer( $layer: default )Specify user avatar size and make it round.
+user-avatar-size($size)