.el-expand{display:-ms-flexbox;display:flex}.el-expand__item--left-side{width:50%;position:relative}.el-expand__item--left-side::after{content:' ';width:1px;height:calc(100% - 40px);display:block;position:absolute;background-color:#dedede;right:0;top:40px}.el-expand__item--right-side{position:relative;overflow:hidden;-ms-flex:1 0;flex:1 0}.el-expand__item--border-left{padding-left:20px}.el-expand__btn{position:absolute;right:-14px;top:26px;-ms-transform:translateY(-50%);transform:translateY(-50%);width:28px;height:28px;border-radius:25px;padding:0;cursor:ew-resize;z-index:1}.el-expand__btn::before{content:'';width:1px;height:12px;display:block;position:absolute;background-color:#dedede;left:12px;margin-top:-13px}.el-expand__btn i.expand__btn-icon{font-size:12px;display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center;-ms-flex-pack:center;justify-content:center;width:100%;height:100%}.el-expand__btn-icon--rotated{-ms-transform:rotate(180deg);transform:rotate(180deg)}