1>块级标签、行级标签
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style type="text/css">
p{
width: 200px;
height: 100px;
border: 3px solid red;
} p span{
color: red;
}
</style>
</head> <body> <p>今天是<span>星期一</span></p> <!-- 块级标签/能设置宽高度 -->
<p>我是p标签</p>
<p>我是p标签</p>
<p>我是p标签</p> <!-- 行级标签/能和其他标签待在一行 -->
<span>我是span标签</span>
<span>我是span标签</span> <a href="">百度</a>
<a href="">百度</a> </body>
</html>
2>图片标签
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style type="text/css">
#dog{
width:300;
height: 400px;
} #cat{
width:300;
height: 400px;
} p{
color: blue;
font-size: 30px;
font-family: 微软雅黑;
width: 800px;
height: 200px;
border: 3px solid blue;
text-align:center;
line-height: 200px;
}
</style>
</head> <body> <img src="dog.jpg" id="dog" />
<img src="cat.jpg" id="cat" /> <p>今天是星期一</p>
</body>
</html>