CSS Basics Tutorial Combination Selector
Multiple element selector
## Description: Add the same style to multiple elements, multiple Selectors are separated by commas ",".
Example: h1,p,div,body{color:red;}
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>php.cn</title>
<style type="text/css">
h1,p,.NO1{
color:red;
background-color:#88ff66;
}
</style>
</head>
<body>
<h1>习近平心中的互联网</h1>
<p>互联网是20世纪最伟大的发明，它正在将人类“一网打尽”，人们在不知不觉中已经融入了互联网生态，互联网让世界变成了“鸡犬之声相闻”的地球村。</p>
<div class="NO1">习近平指出：“互联网已经融入社会生活方方面面，深刻改变了人们的生产和生活方式。”</div>
</body>
</html> Descendant element selector (most commonly used)
Description : Add styles to a descendant element of a tag. Selectors are separated by "spaces".
Example: div .title{ color:red;}
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>php.cn</title>
<style type="text/css">
div h1.title{background-color:yellow;}
div p.paragraph{background-color:#88ff88;}
</style>
</head>
<body>
<div>
<h1 class="title">习近平心中的互联网</h1>
<p class="paragraph">互联网是20世纪最伟大的发明，它正在将人类“一网打尽”，人们在不知不觉中已经融入了互联网生态，互联网让世界变成了“鸡犬之声相闻”的地球村。</p>
</div>
</body>
</html> Child element selector
Description: Add styles to the child elements of an element.
- ##Example
: div > h1.title{color:red;}
<!DOCTYPE HTML> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>php.cn</title> <style type="text/css"> div>.title{background-color:#88ff88;} div>.paragraph{background-color:red;} </style> </head> <body> <div> <h1 class="title">习近平心中的互联网</h1> <p class="paragraph">互联网是20世纪最伟大的发明，它正在将人类“一网打尽”，人们在不知不觉中已经融入了互联网生态，互联网让世界变成了“鸡犬之声相闻”的地球村。</p> </div> </body> </html>
new file
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>php.cn</title>
<style type="text/css">
h1,p,.NO1{
color:red;
background-color:#88ff66;
}
</style>
</head>
<body>
<h1>习近平心中的互联网</h1>
<p>互联网是20世纪最伟大的发明，它正在将人类“一网打尽”，人们在不知不觉中已经融入了互联网生态，互联网让世界变成了“鸡犬之声相闻”的地球村。</p>
<div class="NO1">习近平指出：“互联网已经融入社会生活方方面面，深刻改变了人们的生产和生活方式。”</div>
</body>
</html>
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