.flag-icon-background { background-size: contain; background-position: 50%; background-repeat: no-repeat; } .flag-icon { @extend .flag-icon-background; position: relative; display: inline-block; width: (4 / 3) * 1em; line-height: 1em; &:before { content: '\00a0'; } &.flag-icon-squared { width: 1em; } } @mixin 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); } } }