.sidebar{margin-bottom:0;overflow:auto;position:-webkit-sticky;position:sticky}@media(max-width:550px){.sidebar{margin-top:40px}}.sidebar::last-child{margin-bottom:0}.sidebar img{margin-bottom:10px}.main{display:flex;flex-direction:column}@media(max-width:550px){.sticky-cols{margin-bottom:30px}}