1.
<html>
<head>
<style type="text/css">
h1.visible
{visibility:visible}
h1.invisible {visibility:hidden}
</style>
</head>
<body>
<h1
class="visible">这是可见的标题</h1>
<h1 WORD-SPACING: 0px; FONT: 12px
'Courier New'; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px;
LETTER-SPACING: normal; BORDER-COLLAPSE: separate; orphans: 2; widows: 2;
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px;
-webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto;
-webkit-text-stroke-width: 0">e">这是不可见的标题
</h1>
</body>
</html>
2.
<p>请把鼠标移动到单词上，可以看到鼠标指针发生变化：</p>
<span style="cursor:link">
Auto</span><br/>
3.<style type="text/css">
div {
background-color:#00FFFF;
width:150px;
height:150px;
overflow:
scroll 滚动条//overflow: hidden 隐藏。
}
</style>
4.
<html>
<head>
<style type="text/css">
a.one:link {color: #ff0000}
a.one:visited {color: #0000ff}
a.one:hover {color: #ffcc00}
a.two:link {color: #ff0000}
a.two:visited {color: #0000ff}
a.two:hover {font-size:
150%}
a.three:link {color:
#ff0000}
a.three:visited
{color: #0000ff}
a.three:hover
{background: #66ff66}
a.four:link {color: #ff0000}
a.four:visited {color: #0000ff}
a.four:hover {font-family: monospace}
a.five:link {color: #ff0000;
text-decoration: none}
a.five:visited {color: #0000ff; text-decoration:
none}
a.five:hover
{text-decoration: underline}
</style>
</head>
<body>
<p>请把鼠标移动到这些链接上，以查看效果：</p>
<p><b><a class="one"
href="/index.html" target="_blank">这个链接改变颜色</a></b></p>
<p><b><a
class="two" href="/index.html"
target="_blank">这个链接改变字体大小</a></b></p>
<p><b><a
class="three" href="/index.html"
target="_blank">这个链接改变背景颜色</a></b></p>
<p><b><a
class="four" href="/index.html"
target="_blank">这个链接改变字体系列</a></b></p>
<p><b><a
class="five" href="/index.html"
target="_blank">这个链接改变文本装饰</a></b></p>
</body>
</html>
5,
<html>
<head>
<style type="text/css">
a:first-child {
text-decoration:none
}
</style>
</head>
<body>
<p>:first-child
伪类向属于其他元素的第一个子元素的一个元素添加特殊样式。</p>
<p>访问 <a
href="W3Schoolhttp://www.w3school.com.cn">W3School</a> 来学习 CSS！
访问 <a href="W3Schoolhttp://www.w3school.com.cn">W3School</a>
来学习 HTML！</p>
</body>
</html>
6.<html>
<head>
<style type="text/css">
a:link {color: #FF0000}
a:visited {color: #00FF00}
a:hover {color: #FF00FF}
a:active {color:
#0000FF}
</style>
</head>
<body>
<p><b><a href="/index.html"
target="_blank">这是一个链接。</a></b></p>
<p><b>注释：</b>在 CSS 定义中，a:hover 必须位于 a:link 和 a:visited
之后，这样才能生效！</p>
<p><b>注释：</b>在 CSS 定义中，a:active 必须位于
a:hover 之后，这样才能生效！</p>
</body>
</html>
7.<html>
<head>
<style type="text/css">
p:first-letter
{
color: #ff0000;
font-size:xx-large
}
</style>
</head>
<body>
<p>
You can
use the :first-letter pseudo-element to add a special effect to the first letter
of a text!
</p>
</body>
</html>
http://www.w3school.com.cn/tiy/t.asp?f=csse_firstletter
8.<html>
<head>
<style type="text/css">
p:first-line
{
color: #ff0000;
font-variant: small-caps
}
</style>
</head>
<body>
<p>
You can
use the :first-line pseudo-element to add a special effect to the first line of
a text!
</p>
</body>
</html>
http://www.w3school.com.cn/tiy/t.asp?f=csse_firstline
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