在一个div上显示一个div [英] Displaying one div on top of another
问题描述
我有一些带有两个div的HTML:
I have some HTML with two divs:
<div>
<div id="backdrop"><img alt="" src='/backdrop.png' /></div>
<div id="curtain" style="background-image:url(/curtain.png);background-position:100px 200px; height:250px; width:500px;"> </div>
</div>
我希望第二个div #curtain出现在div #backdrop的顶部.两个div的大小相同，但是我不确定如何将第二个div放在另一个div上.
I want the second div #curtain to appear on top of the div #backdrop. The two divs are the same size, however I'm not sure how to position the second div on top of the other.
推荐答案
在每个DIV的style属性中使用CSS position: absolute;，后跟top: 0px; left 0px;.用任意值替换像素值.
Use CSS position: absolute; followed by top: 0px; left 0px; in the style attribute of each DIV. Replace the pixel values with whatever you want.
您可以使用z-index: x;设置垂直的顺序"(一个在顶部").将x替换为数字，较高的数字位于较低的数字之上.
You can use z-index: x; to set the vertical "order" (which one is "on top"). Replace x with a number, higher numbers are on top of lower numbers.
这是您的新代码的外观:
Here is how your new code would look:
<div>
<div id="backdrop" style="z-index: 1; position: absolute; top: 0px; left: 0px;"><img alt="" src='/backdrop.png' /></div>
<div id="curtain" style="z-index: 2; position: absolute; top: 0px; left: 0px; background-image:url(/curtain.png);background-position:100px 200px; height:250px; width:500px;"> </div>
</div>
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