#left-sidebar{position:-webkit-sticky;position:sticky;top:60px;max-height:calc(100vh - 75px);overflow-y:auto;transition:top 0.3s ease,margin-top 0.3s ease}#left-sidebar::-webkit-scrollbar{width:6px;background-color:#F5F5F5}#left-sidebar::-webkit-scrollbar-thumb{background-color:#CCC;border-radius:10px}