在 HTML 中,有两种主要类型的列表:
无序列表 (<ul>) - 列表项用项目符号标记
有序列表 (<ol>) - 列表项用数字或字母标记
CSS 列表属性允许您:
为有序列表设置不同的列表项标记
为无序列表设置不同的列表项标记
将图像设置为列表项标记
向列表和列表项添加背景颜色
list-style-type
属性指定列表项的类型 标记。
以下示例显示了一些可用的列表项标记:
ul.a {
list-style-type: circle;
}
ul.b {
list-style-type: square;
}
ol.c {
list-style-type: upper-roman;
}
ol.d {
list-style-type: lower-alpha;
}
自己尝试一下 →
<!DOCTYPE html>
<html>
<head>
<style>
ul.a {
list-style-type: circle;
}
ul.b {
list-style-type: square;
}
ol.c {
list-style-type: upper-roman;
}
ol.d {
list-style-type: lower-alpha;
}
</style>
</head>
<body>
<h2>The list-style-type Property</h2>
<p>Example of unordered lists:</p>
<ul class="a">
<li>Coffee</li>
<li>Tea</li>
<li>Coca Cola</li>
</ul>
<ul class="b">
<li>Coffee</li>
<li>Tea</li>
<li>Coca Cola</li>
</ul>
<p>Example of ordered lists:</p>
<ol class="c">
<li>Coffee</li>
<li>Tea</li>
<li>Coca Cola</li>
</ol>
<ol class="d">
<li>Coffee</li>
<li>Tea</li>
<li>Coca Cola</li>
</ol>
</body>
</html>
注意:有些值适用于无序列表,有些值适用于有序列表。
list-style-image
属性指定图像作为列表 项目标记:
ul
{
list-style-image: url('sqpurple.gif');
}
自己尝试一下 →
<!DOCTYPE html>
<html>
<head>
<style>
ul {
list-style-image: url('sqpurple.gif');
}
</style>
</head>
<body>
<h2>The list-style-image Property</h2>
<p>The list-style-image property specifies an image as the list item marker:</p>
<ul>
<li>Coffee</li>
<li>Tea</li>
<li>Coca Cola</li>
</ul>
</body>
</html>
list-style-position
属性指定列表项标记的位置 (要点)。
“列表样式位置:外部;”意味着要点将在外面 列表项。列表项的每一行的开头将垂直对齐。 这是默认的:
“列表样式位置:内部;”意味着要点将在里面 列表项。由于它是列表项的一部分,因此它将成为文本的一部分,并且 将文本推到开头:
ul.a {
list-style-position: outside;
}
ul.b {
list-style-position: inside;
}
自己尝试一下 →
<!DOCTYPE html>
<html>
<head>
<style>
ul.a {
list-style-position: outside;
}
ul.b {
list-style-position: inside;
}
</style>
</head>
<body>
<h1>The list-style-position Property</h1>
<h2>list-style-position: outside (default):</h2>
<ul class="a">
<li>Coffee - A brewed drink prepared from roasted coffee beans, which are the seeds of berries from the Coffea plant</li>
<li>Tea - An aromatic beverage commonly prepared by pouring hot or boiling water over cured leaves of the Camellia sinensis, an evergreen shrub (bush) native to Asia</li>
<li>Coca Cola - A carbonated soft drink produced by The Coca-Cola Company. The drink's name refers to two of its original ingredients, which were kola nuts (a source of caffeine) and coca leaves</li>
</ul>
<h2>list-style-position: inside:</h2>
<ul class="b">
<li>Coffee - A brewed drink prepared from roasted coffee beans, which are the seeds of berries from the Coffea plant</li>
<li>Tea - An aromatic beverage commonly prepared by pouring hot or boiling water over cured leaves of the Camellia sinensis, an evergreen shrub (bush) native to Asia</li>
<li>Coca Cola - A carbonated soft drink produced by The Coca-Cola Company. The drink's name refers to two of its original ingredients, which were kola nuts (a source of caffeine) and coca leaves</li>
</ul>
</body>
</html>
list-style-type:none
属性也可以是 用于删除标记/项目符号。请注意,列表也有默认边距 和填充。要删除此内容,请将 margin:0
和 padding:0
添加到 <ul> 或 <ol>:
ul
{
list-style-type: none;
margin: 0;
padding: 0;
}
自己尝试一下 →
<!DOCTYPE html>
<html>
<head>
<style>
ul.demo {
list-style-type: none;
margin: 0;
padding: 0;
}
</style>
</head>
<body>
<p>Default list:</p>
<ul>
<li>Coffee</li>
<li>Tea</li>
<li>Coca Cola</li>
</ul>
<p>Remove bullets, margin and padding from list:</p>
<ul class="demo">
<li>Coffee</li>
<li>Tea</li>
<li>Coca Cola</li>
</ul>
</body>
</html>
list-style
属性是一个简写属性。它用于设置所有 在一个声明中列出属性:
ul
{
list-style: square inside url("sqpurple.gif");
}
自己尝试一下 →
<!DOCTYPE html>
<html>
<head>
<style>
ul {
list-style: square inside url("sqpurple.gif");
}
</style>
</head>
<body>
<h2>The list-style Property</h2>
<p>The list-style property is a shorthand property, which is used to set all the list properties in one declaration.</p>
<ul>
<li>Coffee</li>
<li>Tea</li>
<li>Coca Cola</li>
</ul>
</body>
</html>
使用简写属性时,属性值的顺序为:
list-style-type
(如果指定了列表样式图像, 如果图像由于某种原因会显示该属性的值 无法显示)
list-style-position
(指定列表项标记应出现在内容流内部还是外部)
list-style-image
(指定图像作为列表项标记)
如果缺少上述属性值之一,则使用默认值 如果有缺失的属性,将被插入。
我们还可以用颜色来设置列表的样式,使它们看起来更漂亮一些 有趣的。
添加到 <ol> 或 <ul> 标记的任何内容都会影响整个列表,而 添加到 <li> 标记的属性将影响各个列表项:
ol {
background: #ff9999;
padding: 20px;
}
ul {
background: #3399ff;
padding: 20px;
}
ol li {
background:
#ffe5e5;
color: darkred;
padding: 5px;
margin-left: 35px;
}
ul li {
background:
#cce5ff;
color: darkblue;
margin: 5px;
}
结果 :
自己尝试一下 →
<!DOCTYPE html>
<html>
<head>
<style>
ol {
background: #ff9999;
padding: 20px;
}
ul {
background: #3399ff;
padding: 20px;
}
ol li {
background: #ffe5e5;
color: darkred;
padding: 5px;
margin-left: 35px;
}
ul li {
background: #cce5ff;
color: darkblue;
margin: 5px;
}
</style>
</head>
<body>
<h1>Styling Lists With Colors</h1>
<ol>
<li>Coffee</li>
<li>Tea</li>
<li>Coca Cola</li>
</ol>
<ul>
<li>Coffee</li>
<li>Tea</li>
<li>Coca Cola</li>
</ul>
</body>
</html>
此示例演示如何创建带有红色左边框的列表。
带有红色左边框的自定义列表
<!DOCTYPE html>
<html>
<head>
<style>
ul {
border-left: 5px solid red;
background-color: #f1f1f1;
list-style-type: none;
padding: 10px 20px;
}
</style>
</head>
<body>
<h2>List with a red left border</h2>
<ul>
<li>Coffee</li>
<li>Tea</li>
<li>Coca Cola</li>
</ul>
</body>
</html>
此示例演示如何创建没有项目符号的边框列表。
全角边框列表
<!DOCTYPE html>
<html>
<head>
<style>
ul {
list-style-type: none;
padding: 0;
border: 1px solid #ddd;
}
ul li {
padding: 8px 16px;
border-bottom: 1px solid #ddd;
}
ul li:last-child {
border-bottom: none
}
</style>
</head>
<body>
<h2>A bordered list</h2>
<ul>
<li>Coffee</li>
<li>Tea</li>
<li>Coca Cola</li>
</ul>
</body>
</html>
此示例演示了 CSS 中所有不同的列表项标记。
列表的所有不同列表项标记
<!DOCTYPE html>
<html>
<head>
<style>
ul.a {list-style-type: circle;}
ul.b {list-style-type: disc;}
ul.c {list-style-type: square;}
ol.d {list-style-type: armenian;}
ol.e {list-style-type: cjk-ideographic;}
ol.f {list-style-type: decimal;}
ol.g {list-style-type: decimal-leading-zero;}
ol.h {list-style-type: georgian;}
ol.i {list-style-type: hebrew;}
ol.j {list-style-type: hiragana;}
ol.k {list-style-type: hiragana-iroha;}
ol.l {list-style-type: katakana;}
ol.m {list-style-type: katakana-iroha;}
ol.n {list-style-type: lower-alpha;}
ol.o {list-style-type: lower-greek;}
ol.p {list-style-type: lower-latin;}
ol.q {list-style-type: lower-roman;}
ol.r {list-style-type: upper-alpha;}
ol.s {list-style-type: upper-latin;}
ol.t {list-style-type: upper-roman;}
ol.u {list-style-type: none;}
ol.v {list-style-type: inherit;}
</style>
</head>
<body>
<h2>All List Style Types</h2>
<ul class="a">
<li>Circle type</li>
<li>Tea</li>
<li>Coca Cola</li>
</ul>
<ul class="b">
<li>Disc type</li>
<li>Tea</li>
<li>Coca Cola</li>
</ul>
<ul class="c">
<li>Square type</li>
<li>Tea</li>
<li>Coca Cola</li>
</ul>
<ol class="d">
<li>Armenian type</li>
<li>Tea</li>
<li>Coca Cola</li>
</ol>
<ol class="e">
<li>Cjk-ideographic type</li>
<li>Tea</li>
<li>Coca Cola</li>
</ol>
<ol class="f">
<li>Decimal type</li>
<li>Tea</li>
<li>Coca Cola</li>
</ol>
<ol class="g">
<li>Decimal-leading-zero type</li>
<li>Tea</li>
<li>Coca Cola</li>
</ol>
<ol class="h">
<li>Georgian type</li>
<li>Tea</li>
<li>Coca Cola</li>
</ol>
<ol class="i">
<li>Hebrew type</li>
<li>Tea</li>
<li>Coca Cola</li>
</ol>
<ol class="j">
<li>Hiragana type</li>
<li>Tea</li>
<li>Coca Cola</li>
</ol>
<ol class="k">
<li>Hiragana-iroha type</li>
<li>Tea</li>
<li>Coca Cola</li>
</ol>
<ol class="l">
<li>Katakana type</li>
<li>Tea</li>
<li>Coca Cola</li>
</ol>
<ol class="m">
<li>Katakana-iroha type</li>
<li>Tea</li>
<li>Coca Cola</li>
</ol>
<ol class="n">
<li>Lower-alpha type</li>
<li>Tea</li>
<li>Coca Cola</li>
</ol>
<ol class="o">
<li>Lower-greek type</li>
<li>Tea</li>
<li>Coca Cola</li>
</ol>
<ol class="p">
<li>Lower-latin type</li>
<li>Tea</li>
<li>Coca Cola</li>
</ol>
<ol class="q">
<li>Lower-roman type</li>
<li>Tea</li>
<li>Coca Cola</li>
</ol>
<ol class="r">
<li>Upper-alpha type</li>
<li>Tea</li>
<li>Coca Cola</li>
</ol>
<ol class="s">
<li>Upper-latin type</li>
<li>Tea</li>
<li>Coca Cola</li>
</ol>
<ol class="t">
<li>Upper-roman type</li>
<li>Tea</li>
<li>Coca Cola</li>
</ol>
<ol class="u">
<li>None type</li>
<li>Tea</li>
<li>Coca Cola</li>
</ol>
<ol class="v">
<li>inherit type</li>
<li>Tea</li>
<li>Coca Cola</li>
</ol>
</body>
</html>
在一个声明中设置列表的所有属性
指定图像作为列表项标记
指定列表项标记(项目符号点)的位置
指定列表项标记的类型