CSS 2.1 快速導覽 - 對頂端位移 top

top 性質 (property) 為 CSS 中用來設定元素 (element) 的定位方式,可用數字或百分比進行設定。



舉例如下
div {
    position: absolute;
    top: 20%;
    width: 70%;
    height: 35%;
    border: thin solid black;
}

/* 《程式語言教學誌》的範例程式
    http://pydoing.blogspot.com/
    檔名:visual05.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="visual05.css">
</head>
<body>
<div>
You ever have that feeling where you're not sure if 
you're awake or still dreaming?
A prison for your mind.
Free your mind.
Believe the unbelievable.
There is no spoon.
I can only show you the door, you have to walk 
through it.
Choice. The problem is choice.
Then tomorrow we may all be dead, but how would that 
be different from any other day?
I have dreamed a dream, but now that dream has gone 
from me.
Choice is an illusion, created between those with 
power, and those without.
Because I choose to.
Everything that has a beginning has an end.</div>
</body>
</html>

<!-- 《程式語言教學誌》的範例程式
     http://pydoing.blogspot.com/
     檔名:visual05.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



中英文術語對照
性質property
元素element
瀏覽器broswer


您可以繼續參考

JavaScript 範例

定位相關


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/visuren.html
https://developer.mozilla.org/en/CSS/top

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