.box{position:relative;padding:20px 20px;box-sizing:border-box;border:1px solid #dcdfe6;border-radius:4px;width:75%;margin-left:240px;margin-bottom:20px}.box>span{position:absolute;top:-12px;font-size:14px;left:80px;z-index:10;padding:0 6px;background-color:#fff}.box>.el-textarea{margin-top:10px}.box>.ch{margin-top:10px!important}