代码示例:(标识:css_website_layout_navbar)
<!DOCTYPE html>
<html lang="en">
<head>
<title>CSS Website Layout</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
* {
box-sizing: border-box;
}
body {
margin: 0;
}
/* 设置页眉的样式 */
.header {
background-color: #f1f1f1;
padding: 20px;
text-align: center;
}
/* 设置顶部导航栏的样式 */
.topnav {
overflow: hidden;
background-color: #333;
}
/* 设置 topnav 链接的样式 */
.topnav a {
float: left;
display: block;
color: #f2f2f2;
text-align: center;
padding: 14px 16px;
text-decoration: none;
}
/* 改变鼠标悬停时的颜色 */
.topnav a:hover {
background-color: #ddd;
color: black;
}
</style>
</head>
<body>
<div class="header">
<h1>Header</h1>
</div>
<div class="topnav">
<a href="#">Link</a>
<a href="#">Link</a>
<a href="#">Link</a>
</div>
</body>
</html>