ul{max-height:700px;overflow-y:auto;padding-left:.5rem}ul img{width:64px;height:64px;padding:.2rem;margin:.3rem;cursor:pointer}ul img.active,ul img:hover{border:1px solid #11da75;border-radius:2px;color:#fff;transition:all .3s}ul li{list-style:none;float:left;text-align:center;cursor:pointer;color:#555;transition:color .3s ease-in-out,background-color .3s ease-in-out;position:relative;margin:3px 0;border-radius:4px;background-color:#fff;overflow:hidden;padding:10px 0 0}