css二級下拉選單程式碼例項

螞蟻小編發表於2017-04-09
CSS

分享一段非常簡單的程式碼例項，它使用css實現了二級下拉導航選單效果。

程式碼例項如下:

[HTML] 純文字檢視 複製程式碼
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="author" content="http://www.softwhy.com/" />
<title>螞蟻部落</title>
<style>
body {
  margin: 0;
}
ul {
  margin: 0;
  padding: 0;
  list-style-type: none;
  overflow: hidden;
  background-color: #333;
}
ul > li {
  float: left;
}
ul a {
  display: block;
  padding: 15px;
  color: #fff;
  text-decoration: none;
}
.dropdown {
  display: inline-block;
  position: absolute;
}
.dropdown-content {
  display: none;
  position: absolute;
  min-width: 120px;
}
.dropdown-content a {
  background-color: #f9f9f9;
  color: #000;
}
.dropdown-content a:hover {
  background-color: #f1f1f1;
}
.dropdown:hover .dropdown-content {
  display: block;
}
ul > li > a:hover {
  background-color: #111;
}
</style>
</head>
<body>
<ul>
  <li><a href="#">螞蟻部落一</a></li>
  <li><a href="#">螞蟻部落二</a></li>
  <li><a href="#">螞蟻部落三</a></li>
  <li class="dropdown">
    <a class="dropdown-btn" href="#">螞蟻部落四</a>
    <div class="dropdown-content">
      <a href="#">css教程</a>
      <a href="#">div教程</a>
      <a href="#">ajax教程</a>
    </div>
  </li>
</ul>
</body>
</html>

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