.#{$la-css-prefix}-stack { display: inline-block; height: 2em; line-height: 2em; position: relative; vertical-align: middle; width: 2.5em; } .#{$la-css-prefix}-stack-1x, .#{$la-css-prefix}-stack-2x { left: 0; position: absolute; text-align: center; width: 100%; } .#{$la-css-prefix}-stack-1x { line-height: inherit; } .#{$la-css-prefix}-stack-2x { font-size: 2em; } .#{$la-css-prefix}-inverse { color: $la-inverse; }