.collapse{--start-color:#fff;position:relative}.collapse>header{background-color:var(--start-color);padding:10px 15px;border-top:1px solid #e8e8e8;display:flex;align-items:center;justify-content:space-between;overflow:hidden;-webkit-user-select:none;user-select:none;position:relative;font-size:18px}.collapse>header .collapse-icon{margin-left:5px;flex-shrink:0;transition:transform .2s ease}.collapse>header>.content{position:relative}.collapse.active>header .collapse-icon{transform:rotate(180deg)}.collapse>.inner{position:relative;background-color:#fff;overflow-y:hidden;height:auto}