.tab-right-layout { padding: 0 20px; width: 100%; position: relative; margin: 0 auto; height: 100%; flex: 1; display: flex; .body-element { background: @empty_color; margin-top: 20px; padding: 20px; flex: 1; } .right-element { margin-top: 20px; margin-left: 10px; } }