# margin、padding的百分比计算

### CSS2.1 Box model

The percentage is calculated with respect to the width of the generated box’s containing block. Note that this is true for margin-top and margin-bottom as well.

margin：百分比的计算基于生成框的包含块(父元素)的width（margin-top/bottom也是如此）。
padding同理

# CSS

### 评论

###### Your browser is out-of-date!

Update your browser to view this website correctly. Update my browser now

×