.expander-element-wrapper{width:auto;overflow:hidden;position:relative;margin-bottom:10px}.expander-btn{position:absolute;right:5px;width:30px;border:1px solid #ccc;border-radius:4px;font-weight:bold;text-align:center;line-height:30px}.expander-btn:hover{border:1px solid #b2b2b2;box-shadow:1px 1px 2px #b2b2b2;background:#fff}