CSS 2.1 快速導覽 - 背景圖片 background-image

background-image 性質 (property) 為 CSS 中用來設定背景圖片,使用 url() 函數 (function) 設定圖片位置。



舉例如下
body {
    background-image: url("example.jpg");
}

/* 《程式語言教學誌》的範例程式
    http://pydoing.blogspot.com/
    檔名:background03.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
<html>
<head>
<title>網頁標題</title>
<link rel="stylesheet" type="text/css" 
      href="background01.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>
<p>There is no spoon.</p>
<p>I can only show you the door, you have to walk 
through it.</p>
<p>Choice. The problem is choice.</p>
<p>Then tomorrow we may all be dead, but how would that 
be different from any other day?</p>
<p>I have dreamed a dream, but now that dream has gone 
from me.</p>
<p>Choice is an illusion, created between those with 
power, and those without.</p>
<p>Because I choose to.</p>
<p>Everything that has a beginning has an end.</p>
</body>
</html>

<!-- 《程式語言教學誌》的範例程式
     http://pydoing.blogspot.com/
     檔名:background01.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



若不打算讓背景圖片重複,可將 background-repeat 設定成 no-repeat ,例如
body {
    background-image: url("example.jpg");
    background-repeat: no-repeat;
    background-position: center bottom;
}

/* 《程式語言教學誌》的範例程式
    http://pydoing.blogspot.com/
    檔名:background04.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
<html>
<head>
<title>網頁標題</title>
<link rel="stylesheet" type="text/css" 
      href="background04.css">
</head>
<body>
<p class="example">
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>
<p>There is no spoon.</p>
<p>I can only show you the door, you have to walk 
through it.</p>
<p>Choice. The problem is choice.</p>
<p class="example>
Then tomorrow we may all be dead, but how would that 
be different from any other day?</p>
<p>I have dreamed a dream, but now that dream has gone 
from me.</p>
<p class="example>
Choice is an illusion, created between those with 
power, and those without.</p>
<p>Because I choose to.</p>
<p>Everything that has a beginning has an end.</p>
</body>
</html>

<!-- 《程式語言教學誌》的範例程式
     http://pydoing.blogspot.com/
     檔名:background04.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 -->


瀏覽器開啟如下



中英文術語對照
性質property
函數function
瀏覽器broswer


您可以繼續參考

JavaScript 範例

背景相關


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/colors.html
https://developer.mozilla.org/en/CSS/background-image

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