@function url-friendly-colour($colour) { @return '%23' + str-slice('#{$colour}', 2, -1) } button.icon-button i.fa-retweet { background-image: url("data:image/svg+xml;utf8,"); &:hover { background-image: url("data:image/svg+xml;utf8,"); } } // Disabled variant button.icon-button.disabled i.fa-retweet { &, &:hover { background-image: url("data:image/svg+xml;utf8,"); } } // Darker disabled variant for DMs .status-direct button.icon-button.disabled i.fa-retweet { &, &:hover { background-image: url("data:image/svg+xml;utf8,"); } }