#app,body,html{width:100%;height:100%;overflow:hidden;margin:0;font-size:15px!important;background-size:cover}hr{width:100%}.demo-ruleForm{margin:50px}del{color:red;text-decoration:none}.el-form-item__content .Short{width:150px}.el-form-item__content .Middle{width:300px}.Long input,.Long textarea{width:400px}form.demo-form{background:#fff;padding:60px;border-radius:10px;border:1px solid gray}