#side-nav{background-color:#fff;border-right:1px solid #e0e0e0;position:fixed;height:100vh;overflow:scroll;z-index:2000;transition:all .3s ease-in-out}main{flex-grow:1;padding:200px 16px 116px;transition:margin-left .2s cubic-bezier(.4,0,.2,1) 0ms}