我正在尝试将这种实时背景应用到我的网页中，但目前只有一部分显示在页面顶部，并且与其他div混淆了。对于我的HTML，我的所有正文内容都放在一个大div中，并且div的第一部分是实时背景的html。我试图将其显示在整个身体中，但z索引为-1。我不确定如何调整css，我可以解决其他问题，但我希望背景能覆盖整个身体。 编辑：这是网站rn的链接：http://ishabulhaque.com/ HTML
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