@charset "UTF-8"; i.icon.extension.add { position: relative; width: 16px; height: 16px; box-sizing: border-box; display: block; background: linear-gradient(to left, currentColor 10px, transparent 0) no-repeat 10px 2px/6px 2px, linear-gradient(to left, currentColor 10px, transparent 0) no-repeat 12px 0/2px 6px; &:after, &:before { position: absolute; bottom: 0; content: ''; width: 8px; height: 14px; box-sizing: border-box; display: block; border: 2px solid; } &:after { width: 14px; height: 8px; } }