本文介绍一个纯CSS实现的竖直滚动菜单，菜单样式简单大方，代码不多，可直接复制过去应用于各种网页UI设计上。
垂直滚动菜单
html代码
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="Simple CSS for buttons.">
<title>纯CSS实现的竖直滚动菜单</title>
<style>
.pure-menu {
-webkit-box-sizing: border-box;
box-sizing: border-box;
}
.pure-menu-fixed {
position: fixed;
left: 0;
top: 0;
z-index: 3;
}
.pure-menu-item,.pure-menu-list {
position: relative;
}
.pure-menu-list {
list-style: none;
margin: 0;
padding: 0;
}
.pure-menu-item {
padding: 0;
margin: 0;
height: 100%;
}
.pure-menu-heading,.pure-menu-link {
display: block;
text-decoration: none;
white-space: nowrap;
}
.pure-menu-horizontal {
width: 100%;
white-space: nowrap;
}
.pure-menu-horizontal .pure-menu-list {
display: inline-block;
}
.pure-menu-horizontal .pure-menu-heading,.pure-menu-horizontal .pure-menu-item,.pure-menu-horizontal .pure-menu-separator {
display: inline-block;
zoom: 1;
vertical-align: middle;
}
.pure-menu-item .pure-menu-item {
display: block;
}
.pure-menu-children {
display: none;
position: absolute;
left: 100%;
top: 0;
margin: 0;
padding: 0;
z-index: 3;
}
.pure-menu-horizontal .pure-menu-children {
left: 0;
top: auto;
width: inherit;
}
.pure-menu-active>.pure-menu-children,.pure-menu-allow-hover:hover>.pure-menu-children {
display: block;
position: absolute;
}
.pure-menu-has-children>.pure-menu-link:after {
padding-left: .5em;
content: "\25B8";
font-size: small;
}
.pure-menu-horizontal .pure-menu-has-children>.pure-menu-link:after {
content: "\25BE";
}
.pure-menu-scrollable {
overflow-y: scroll;
overflow-x: hidden;
}
.pure-menu-scrollable .pure-menu-list {
display: block;
}
.pure-menu-horizontal.pure-menu-scrollable .pure-menu-list {
display: inline-block;
}
.pure-menu-horizontal.pure-menu-scrollable {
white-space: nowrap;
overflow-y: hidden;
overflow-x: auto;
-webkit-overflow-scrolling: touch;
padding: .5em 0;
}
.pure-menu-horizontal .pure-menu-children .pure-menu-separator,.pure-menu-separator {
background-color: #ccc;
height: 1px;
margin: .3em 0;
}
.pure-menu-horizontal .pure-menu-separator {
width: 1px;
height: 1.3em;
margin: 0 .3em;
}
.pure-menu-horizontal .pure-menu-children .pure-menu-separator {
display: block;
width: auto;
}
.pure-menu-heading {
text-transform: uppercase;
color: #565d64;
}
.pure-menu-link {
color: #777;
}
.pure-menu-children {
background-color: #fff;
}
.pure-menu-disabled,.pure-menu-heading,.pure-menu-link {
padding: .5em 1em;
}
.pure-menu-disabled {
opacity: .5;
}
.pure-menu-disabled .pure-menu-link:hover {
background-color: transparent;
}
.pure-menu-active>.pure-menu-link,.pure-menu-link:focus,.pure-menu-link:hover {
background-color: #eee;
}
.pure-menu-selected>.pure-menu-link,.pure-menu-selected>.pure-menu-link:visited {
color: #000;
}
.pure-menu-scrollable {
overflow-y: scroll;
overflow-x: hidden;
}
.pure-menu-scrollable .pure-menu-list {
display: block;
}
.pure-menu-horizontal.pure-menu-scrollable .pure-menu-list {
display: inline-block;
}
.pure-menu-horizontal.pure-menu-scrollable {
white-space: nowrap;
overflow-y: hidden;
overflow-x: auto;
-webkit-overflow-scrolling: touch;
padding: .5em 0;
}
.pure-menu-heading,.pure-menu-link {
display: block;
text-decoration: none;
white-space: nowrap;
}
.pure-menu-has-children>.pure-menu-link:after {
padding-left: .5em;
content: "\25B8";
font-size: small;
}
.pure-menu-horizontal .pure-menu-has-children>.pure-menu-link:after {
content: "\25BE";
}
.pure-menu-link {
color: #777;
}
.pure-menu-children {
background-color: #fff;
}
.pure-menu-disabled,.pure-menu-heading,.pure-menu-link {
padding: .5em 1em;
}
.pure-menu-disabled {
opacity: .5;
}
.pure-menu-disabled .pure-menu-link:hover {
background-color: transparent;
}
.pure-menu-active>.pure-menu-link,.pure-menu-link:focus,.pure-menu-link:hover {
background-color: #eee;
}
.pure-menu-selected>.pure-menu-link,.pure-menu-selected>.pure-menu-link:visited {
color: #000;
}
.pure-menu-heading,.pure-menu-link {
display: block;
text-decoration: none;
white-space: nowrap;
}
.pure-menu-heading,.pure-menu-horizontal .pure-menu-item,.pure-menu-horizontal .pure-menu-separator {
display: inline-block;
zoom: 1;
vertical-align: middle;
}
.pure-menu-heading {
text-transform: uppercase;
color: #565d64;
}
.pure-menu-disabled,.pure-menu-heading,.pure-menu-link {
padding: .5em 1em;
}
.pure-menu-item,.pure-menu-list {
position: relative;
}
.pure-menu-list {
list-style: none;
margin: 0;
padding: 0;
}
.pure-menu-horizontal .pure-menu-list {
display: inline-block;
}
.pure-menu-scrollable .pure-menu-list {
display: block;
}
.pure-menu-horizontal.pure-menu-scrollable .pure-menu-list {
display: inline-block;
}
.pure-menu-item,.pure-menu-list {
position: relative;
}
.pure-menu-item {
padding: 0;
margin: 0;
height: 100%;
}
.pure-menu-horizontal .pure-menu-heading,.pure-menu-horizontal .pure-menu-item,.pure-menu-horizontal .pure-menu-separator {
display: inline-block;
zoom: 1;
vertical-align: middle;
}
.pure-menu-item .pure-menu-item {
display: block;
}
.pure-menu-heading,.pure-menu-link {
display: block;
text-decoration: none;
white-space: nowrap;
}
.pure-menu-has-children>.pure-menu-link:after {
padding-left: .5em;
content: "\25B8";
font-size: small;
}
.pure-menu-horizontal .pure-menu-has-children>.pure-menu-link:after {
content: "\25BE";
}
.pure-menu-link {
color: #777;
}
.pure-menu-disabled,.pure-menu-heading,.pure-menu-link {
padding: .5em 1em;
}
.pure-menu-disabled {
opacity: .5;
}
.pure-menu-disabled .pure-menu-link:hover {
background-color: transparent;
}
.pure-menu-active>.pure-menu-link,.pure-menu-link:focus,.pure-menu-link:hover {
background-color: #eee;
}
.pure-menu-selected>.pure-menu-link,.pure-menu-selected>.pure-menu-link:visited {
color: #000;
}
</style>
</head>
<body>
<style>
/* 定义菜单高度、宽度和边框样式 */
.custom-restricted {
height: 250px;
width: 150px;
border: 1px solid gray;
border-radius: 4px;
}
</style>
<div class="pure-menu pure-menu-scrollable custom-restricted">
<a href="#" class="pure-menu-link pure-menu-heading">Yahoo</a>
<ul class="pure-menu-list">
<li class="pure-menu-item"><a href="#" class="pure-menu-link">Home</a></li>
<li class="pure-menu-item"><a href="#" class="pure-menu-link">Flickr</a></li>
<li class="pure-menu-item"><a href="#" class="pure-menu-link">Messenger</a></li>
<li class="pure-menu-item"><a href="#" class="pure-menu-link">Sports</a></li>
<li class="pure-menu-item"><a href="#" class="pure-menu-link">Finance</a></li>
<li class="pure-menu-item"><a href="#" class="pure-menu-link">Autos</a></li>
<li class="pure-menu-item"><a href="#" class="pure-menu-link">Beauty</a></li>
<li class="pure-menu-item"><a href="#" class="pure-menu-link">Movies</a></li>
<li class="pure-menu-item"><a href="#" class="pure-menu-link">Small Business</a></li>
<li class="pure-menu-item"><a href="#" class="pure-menu-link">Cricket</a></li>
<li class="pure-menu-item"><a href="#" class="pure-menu-link">Tech</a></li>
<li class="pure-menu-item"><a href="#" class="pure-menu-link">World</a></li>
<li class="pure-menu-item"><a href="#" class="pure-menu-link">News</a></li>
<li class="pure-menu-item"><a href="#" class="pure-menu-link">Support</a></li>
</ul>
</div>
</body>
</html>
可轻松修改代码，改变滚动菜单边框样式、宽度和高度。
<style>
/* 定义菜单高度、宽度和边框样式 */
.custom-restricted {
height: 250px;
width: 150px;
border: 1px solid gray;
border-radius: 4px;
}
</style>