wxd / MShopWeApp

.menu_red{

  top:0;background-color: red;color: #fff;font-size: 20rpx;border-radius: 50%;width: 40rpx;line-height:40rpx;height: 40rpx;position: absolute;z-index: 100;right:30rpx;
}

.menu_default_red{
  background-color: red;color: #fff;font-size: 20rpx;border-radius: 50%;width: 40rpx;height: 40rpx;line-heith:40rpx;position: fixed;z-index: 100;left:63%
}