embedded_libs/fmt-8.1.1/doc/bootstrap/mixins/background-variant.less
browsing at commit = d6e96c5185d138b928b11d10658f5ed50233cd00
// Contextual backgrounds
.bg-variant(@color) {
background-color: @color;
a&:hover {
background-color: darken(@color, 10%);
}
}