.gg-sidebar { display: block; box-sizing: border-box; height: 16px; &::before { display: block; box-sizing: border-box; height: 16px; content: ""; position: absolute; width: 14px; border: 2px solid; top: 0; left: 2px; } border-left: 2px solid; position: relative; transform: scale(var(--ggs, 1)); width: 18px; }