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                **background-attachment** * 描述:設置對象的背景圖是隨對象內容滾動還是固定的 * 版本:CSS1 | CSS3 該屬性在 CSS3 有修改 * 繼承性:無 **語法** ``` background-attachment: 滾動值; ``` 滾動值 * scroll: 默認值。背景圖會隨著頁面其余部分的滾動而移動。 * fixed:背景圖相對于窗體固定,當頁面的其余部分滾動時,背景圖像不會移動。 * inherit:從父元素繼承 background-attachment 屬性的設置。 * local:背景圖像相對于元素內容固定,當元素隨元素滾動時背景圖像也會跟著滾動。(CSS3) **使用說明** 要設置背景圖是隨對象內容滾動還是固定的,必須先指定 background-image 屬性。 **代碼示例** 設置背景圖像對于窗體(視口)是固定的 ``` <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>background-attachment</title> <style> #container{ width: 400px; height: 400px; border: 1px solid #ff6600; background-image: url(../img/01.jpg); background-repeat: no-repeat; background-attachment: fixed; } #set_height{ height: 1500px; width: 30px; border: 10px dotted #336600; } </style> </head> <body> <div id="container"> </div> <div id="set_height"> </div> </body> </html> ```
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