這就是利用逗號 , 分開不同的標籤,也就是把每個選取項 (selector) 以逗號分開,如下例
p, div, blockquote {
color: white;
background-color: black;
}
/* 《程式語言教學誌》的範例程式
http://pydoing.blogspot.com/
檔名:demo07.css
功能:示範 CSS 2.1 樣式表的使用
作者:張凱慶
時間:西元 2011 年 7 月 */此例中將 <p> 、 <div> 、 <blockquote> 三種 HTML 元素 (element) 都設定為黑底白字,我們以下面的 HTML 文件載入 demo07.css
<html>
<head>
<title>網頁標題</title>
<link rel="stylesheet" type="text/css"
href="demo07.css">
</head>
<body>
<p>You ever have that feeling where you're not sure if
you're awake or still dreaming?</p>
<p>A prison for your mind.</p>
<p>Free your mind.</p>
<p>Believe the unbelievable.</p>
<div>There is no spoon.</div>
<div>I can only show you the door, you have to walk
through it.</div>
<div>Choice. The problem is choice.</div>
<div>Then tomorrow we may all be dead, but how would that
be different from any other day?</div>
<blockquote>I have dreamed a dream, but now that dream has gone
from me.</blockquote>
<blockquote>Choice is an illusion, created between those with
power, and those without.</blockquote>
<blockquote>Because I choose to.</blockquote>
<blockquote>Everything that has a beginning has an end.</blockquote>
</body>
</html>
<!-- 《程式語言教學誌》的範例程式
http://pydoing.blogspot.com/
檔名:demo07.html
功能:示範 CSS 2.1 樣式表的使用
作者:張凱慶
時間:西元 2011 年 7 月 -->瀏覽器 (broswer) 開啟如下

如果不用群組的寫法,就得逐一給每個標籤進行相同的樣式 (style) 定義,例如
p {
color: white;
background-color: black;
}
div {
color: white;
background-color: black;
}
blockquote {
color: white;
background-color: black;
}
/* 《程式語言教學誌》的範例程式
http://pydoing.blogspot.com/
檔名:demo08.css
功能:示範 CSS 2.1 樣式表的使用
作者:張凱慶
時間:西元 2011 年 7 月 */我們以下面的 HTML 文件載入 demo08.css
<html>
<head>
<title>網頁標題</title>
<link rel="stylesheet" type="text/css"
href="demo08.css">
</head>
<body>
<p>You ever have that feeling where you're not sure if
you're awake or still dreaming?</p>
<p>A prison for your mind.</p>
<p>Free your mind.</p>
<p>Believe the unbelievable.</p>
<div>There is no spoon.</div>
<div>I can only show you the door, you have to walk
through it.</div>
<div>Choice. The problem is choice.</div>
<div>Then tomorrow we may all be dead, but how would that
be different from any other day?</div>
<blockquote>I have dreamed a dream, but now that dream has gone
from me.</blockquote>
<blockquote>Choice is an illusion, created between those with
power, and those without.</blockquote>
<blockquote>Because I choose to.</blockquote>
<blockquote>Everything that has a beginning has an end.</blockquote>
</body>
</html>
<!-- 《程式語言教學誌》的範例程式
http://pydoing.blogspot.com/
檔名:demo08.html
功能:示範 CSS 2.1 樣式表的使用
作者:張凱慶
時間:西元 2011 年 7 月 -->這兩份 HTML 文件的外觀是一樣的

| 中英文術語對照 | |
|---|---|
| 標籤 | tag |
| 規則 | rule |
| 群組 | grouping |
| 選取器 | selector |
| 元素 | element |
| 瀏覽器 | broswer |
| 樣式 | style |
您可以繼續參考
基本概念
單位
選取器
@import 規則
階層
元素呈現方式 display
相關目錄
CSS 2.1 快速導覽
HTML, CSS 教材
首頁
參考資料
http://www.w3.org/TR/CSS21/syndata.html
http://www.w3.org/TR/CSS21/selector.html
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