CSS_03_01_CSS组合选择器

CSS组合选择器

第01步：创建css：with.css

@charset "utf-8";

/*
组合选择器，用","隔开
*/
.a,.b,div span.sp{
    background-color:#0F0;
    color:#F00
    }
    
/*span的样式*/
div.di_01{
    background-color:#666;
    color:#606
    }

第02步：创建html代码

<!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>组合选择器</title>
<link href="with.css" rel="stylesheet" type="text/css" />
</head>

<body>
    <a class="b">组合标签01“.b”</a><BR />
    <span class="a">组合标签02“.a”</span>
    <div class="di_01">组合、关联标签03<span class="sp">“div span”<span></div>
</body>
</html>