w3pop.com :: 网络学院 :: CSS :: CSS bottom属性
The bottom property specifies the bottom edge of an element.
bottom属性可以指定与其最近一个具有定位设置的父对象底边相关的位置
Note: If the "position" property has a value of "static", the "bottom" property has no effect.
注意:如果"position"属性的值为"static"那么"bottom"属性就不起作用了
Inherited: No
继承性:无
|
This example sets the bottom edge of the paragraph to 20 px above the bottom edge of the window: This example sets the bottom edge of the paragraph to 20 px below the bottom edge of the window: |
| 值 | 描述 |
|---|---|
| auto | Lets the browser calculate the bottom position 让浏览器计算出底部的位置 |
| % | Sets the bottom position in % from the bottom edge of the window 以按窗口百分比的形式来定位在底部的位置 |
| length | Sets the bottom position in px, cm, etc. from the bottom edge of the window. Negative values are allowed 让底部定位用px,cm,等距离单位。这个值为元素到窗口底边的距离。可以使用负数 |
评论 (0)
All