#areaTree{height:400px;margin-bottom:2px}.box-title{border-radius:3px 3px 0 0;background-color:#f5f5f5}.box-title a{color:#2fa4e7;text-decoration:none;font-size:14px;display:block;padding:8px 15px;cursor:pointer}.box-title .fa{float:right;line-height:20px}