如何使用 CSS 创建标注信息?

cssweb developmentfront end technology更新于 2025/11/28 1:16:17

使用 CSS 创建标注信息，代码如下 −

示例

<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
   body {font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif}
   .callout {
      position: fixed;
      bottom: 35px;
      right: 20px;
      margin-left: 20px;
      max-width: 300px;
   }
   .calloutHeading {
      padding: 25px 15px;
      background: rgb(68, 93, 235);
      font-size: 30px;
      color: white;
   }
   .calloutMessage {
      padding: 15px;
      background-color: #ccc;
      color: black
   }
   .close {
      position: absolute;
      top: 5px;
      right: 15px;
      color: white;
      font-size: 30px;
      cursor: pointer;
   }
   .close:hover {
      color: lightgrey;
   }
</style>
</head>
<body>
<h1>Callout Message Example</h1>
<h3>Product 2</h3>
<h3>Product 3</h3>
<h3>Product 4</h3>
<div class="callout">
<div class="calloutHeading">Check our offers</div>
<span class="close" onclick="this.parentElement.style.display='none';">×</span>
<div class="calloutMessage">
<p>Before you leave this page don't forget to check our other offers <a href="#">Check
Them</a></p>
</div>
</div>
</body>
</html>