我目前正在尝试将嵌入内容置于图像和屏幕中心之间。为了实现这一目标，我利用 https://rss.app/ 将 Google 新闻的 NBA 部分嵌入到我的网站中。如果您需要 CSS 文件，请随时询问。我已经挣扎了一段时间，非常感谢您能提供的任何帮助。
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title></title>
<link rel="stylesheet" href="style.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.3/css/all.min.css" />
</head>
<body>
<nav class="navbar">
<div class="content">
<div class="logo">
<a href="home.html">Home</a>
</div>
<ul class="menu-list">
<div class="icon cancel-btn">
<i class="fas fa-times"></i>
</div>
<li><a href="home.html">Home</a></li>
<li><a href="news.html">News</a></li>
<li><a href="records.html">Records</a></li>
<li><a href="games.html">Games</a></li>
<li><a href="images.html">Images</a></li>
</ul>
<div class="icon menu-btn">
<i class="fas fa-bars"></i>
</div>
</div>
</nav>
<div class="banner">
<div style="margin-top: 1000;">
<rssapp-carousel id="8ywhL4ZjvQvQv5Zz"></rssapp-carousel>
<script src="https://widget.rss.app/v1/carousel.js" type="text/javascript" async></script>
</div>
</div>
<div class="about">
<script>
const body = document.querySelector("body");
const navbar = document.querySelector(".navbar");
const bannerTitle = document.querySelector(".bannerTitle");
const menuBtn = document.querySelector(".menu-btn");
const cancelBtn = document.querySelector(".cancel-btn");
menuBtn.onclick = () => {
navbar.classList.add("show");
menuBtn.classList.add("hide");
body.classList.add("disabled");
}
cancelBtn.onclick = () => {
body.classList.remove("disabled");
navbar.classList.remove("show");
menuBtn.classList.remove("hide");
}
window.onscroll = () => {
this.scrollY > 20 ? navbar.classList.add("sticky") : navbar.classList.remove("sticky");
this.scrollY > 20 ? bannerTitle.classList.add("sticky") : bannerTitle.classList.remove("sticky");
}
</script>
</body>
</html>``` 
如果我理解正确的话，这是你想要的行为吗？
https://jsfiddle.net/u2qtnLkv/
<html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title></title> <link rel="stylesheet" href="style.css"> <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.3/css/all.min.css" /> </head> <body> <nav class="navbar"> <div class="content"> <div class="logo"> <a href="home.html">Home</a> </div> <ul class="menu-list"> <div class="icon cancel-btn"> <i class="fas fa-times"></i> </div> <li><a href="home.html">Home</a></li> <li><a href="news.html">News</a></li> <li><a href="records.html">Records</a></li> <li><a href="games.html">Games</a></li> <li><a href="images.html">Images</a></li> </ul> <div class="icon menu-btn"> <i class="fas fa-bars"></i> </div> </div> </nav> <div class="banner bannerTitle"> <div style="margin-top: 1000;"> <rssapp-carousel id="8ywhL4ZjvQvQv5Zz"></rssapp-carousel> <script src="https://widget.rss.app/v1/carousel.js" type="text/javascript" async></script> </div> </div> <div class="about"> <script> const body = document.querySelector("body"); const navbar = document.querySelector(".navbar"); const bannerTitle = document.querySelector(".bannerTitle"); const menuBtn = document.querySelector(".menu-btn"); const cancelBtn = document.querySelector(".cancel-btn"); menuBtn.onclick = () => { navbar.classList.add("show"); menuBtn.classList.add("hide"); body.classList.add("disabled"); } cancelBtn.onclick = () => { body.classList.remove("disabled"); navbar.classList.remove("show"); menuBtn.classList.remove("hide"); } window.onscroll = () => { this.scrollY > 20 ? navbar.classList.add("sticky") : navbar.classList.remove("sticky"); this.scrollY > 20 ? bannerTitle.classList.add("sticky") : bannerTitle.classList.remove("sticky"); } </script> </div> </body> </html>CSS：
rssapp-carousel { display: flex; justify-content: center; align-items: center; height: 100vh; /* ajuste a altura conforme necessário */ }请记住，您的标签 缺少结束标签。另请记住，
bannerTitle类未被使用，这可能会破坏请求它的 javascript。