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                # CSS3 rotation-point 屬性 ## 實例 將 h1 元素旋轉 180 度(從上向下): ``` h1 { rotation-point:50% 50%; rotation:180deg; } ``` ## 瀏覽器支持 目前沒有瀏覽器支持 rotation-point 屬性。 ## 定義和用法 rotation-point 屬性是一對值,定義從上左邊框邊緣進行偏移的點。 提示:rotation-point 屬性需要與 [rotation](/cssref/pr_rotation.asp "CSS3 rotation 屬性") 屬性結合使用。 | 默認值: | 50% 50% | | --- | --- | | 繼承性: | no | | --- | --- | | 版本: | CSS3 | | --- | --- | | JavaScript 語法: | _object_.style.rotationPoint="25% 25%" | | --- | --- | ## 語法 ``` rotation-point: _value_; ``` | 值 | 描述 | | --- | --- | | * left top * left center * left bottom * right top * right center * right bottom * center top * center center * center bottom | 如果只規定一個關鍵詞,則第二個值將是 "center"。 | | _x% y%_ | 百分比值,參考邊框盒寬度和高度。 |
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