.app-preset-smsverification{ .content { display: flex; margin: 5px 0; .el-button { border: 1px solid #dcdee2; margin-left: 10px; color: #606266; background-color: #fff; &:hover { border: 1px solid #dcdee2; } } } .code{ padding-top: 8px; } .error { color: red; } }