#stu-select-class .el-transfer-panel{width:40%;text-align:left}#stu-select-class .choose-students{padding-top:20px}#stu-select-class .idcard-input{width:800px;display:block;margin:0 auto;resize:none}#stu-select-class .content{display:block;margin:0 auto;margin-top:20px;width:964px;position:relative;left:-75px}.confirm-choose{display:block;margin:15px auto 0;padding:12px 40px}