.flag-icon { position: relative; display: inline-block; width: unit(4 / 3, em); line-height: 1em; .flag-icon-background; &:before { content: "\00a0"; } &.flag-icon-squared { width: 1em; } } .flag-icon-background { background-size: contain; background-position: 50%; background-repeat: no-repeat; } .flag-icon(@country) { .flag-icon-@{country} { background-image: ~"url(@{flag-icon-css-path}@{flag-icon-rect-path}/@{country}.svg)"; &.flag-icon-squared { background-image: ~"url(@{flag-icon-css-path}@{flag-icon-square-path}/@{country}.svg)"; } } }