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Add rem unit mixin for font-size #187

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9 changes: 9 additions & 0 deletions app/assets/stylesheets/css3/_rem.scss
@@ -0,0 +1,9 @@
// Convert pixels font-size value to rem while keeping a pixel fallback
// This mixin assumes the body font-size is the default `100%`
// If not, you can use the optional $base-size param
// eg. for a body font-size of `62.5%`, use `@include rem(24, 62.5)`

@mixin rem($font-size, $base-size: 100) {
font-size: $font-size + px;
font-size: ($font-size / $base-size * 100 / 16) + rem;
}