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PostCSS Tools

An opinionated and extendable collection of placeholders and mixins for PostCSS

Details

If you are not familiar with PostCSS, you might want to check the following links for more details about the purpose and usage of this package:

Placeholders (Extends)

@define-placeholder clearfix {
	content: '';
	line-height: 0;
	display: table;
	clear: both;
}

Usage: @extend clearfix;


@define-placeholder notext {
	white-space: nowrap;
	text-indent: 100%;
	text-shadow: none;
	overflow: hidden;
}

Usage: @extend notext;


@define-placeholder appearanceNone {
	-webkit-appearance: none;
	-moz-appearance: none;
	appearance: none;
}

Usage: @extend appearanceNone;


@define-placeholder centered {
	display: block;
	position: absolute;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	margin: auto;
}

Usage: @extend centered;

Mixins

@define-mixin chevron 
	$dimensions,
	$borderWidth,
	$borderColor,
	$margin,
	$rotation,
	$origin,
	$transitionDuration {
		content: '';
		width: $dimensions;
		height: $dimensions;
		display: inline-block;
		vertical-align: middle;
		border-width: $borderWidth;
		border-style: solid;
		border-color: $borderColor;
		margin: $margin;
		transform: rotate($rotation);
		transform-origin: $origin;
		transition: transform $transitionDuration;
	}

Usage: @mixin chevron 10px, 0 0 1px 1px, #fff, 0, -45deg, 50% 50%, 0s;


@define-mixin triangle $borderWidth, $borderColor, $margin {
	width: 0;
	height: 0;
	display: inline-block;
	vertical-align: middle;
	border-width: $borderWidth;
	border-style: solid;
	border-color: $borderColor;
	margin: $margin;
}

Usage: @mixin triangle 5px, #fff transparent transparent transparent, 4px 5px 0 0;


@define-mixin letterspacing $tracking {
	letter-spacing: calc($tracking / 1000)em;
}

Usage: @mixin letterspacing 32; // 32 is the tracking set in Photoshop

LICENSE

MIT