Position one element relative to another in CSS

I want to position four divs relative to another. I have a rectangle div, and I want to insert 4 divs at its corners. I know that CSS has an attribute "position:relative", but this is relative to the normal position of that element. I want to position my divs not relative to their normal position, but relative to another element (the rectangle). What should I do?

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最佳答案

position: absolute will position the element by coordinates, relative to the closest positioned ancestor, i.e. the closest parent which isn't position: static.

Have your four divs nested inside the target div, give the target div position: relative, and use position: absolute on the others.

Structure your HTML similar to this:

<div id="container">
<div class="top left"></div>
<div class="top right"></div>
<div class="bottom left"></div>
<div class="bottom right"></div>
</div>

And this CSS should work:

#container {
position: relative;
}


#container > * {
position: absolute;
}


.left {
left: 0;
}


.right {
right: 0;
}


.top {
top: 0;
}


.bottom {
bottom: 0;
}


...
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I would suggest using absolute positioning within the element.

I've created this so you can visualize it.

#parent {
width:400px;
height:400px;
background-color:white;
border:2px solid blue;
position:relative;
}
#div1 {position:absolute;bottom:0;right:0;background:green;width:100px;height:100px;}
#div2 {width:100px;height:100px;position:absolute;bottom:0;left:0;background:red;}
#div3 {width:100px;height:100px;position:absolute;top:0;right:0;background:yellow;}
#div4 {width:100px;height:100px;position:absolute;top:0;left:0;background:gray;}
<div id="parent">
<div id="div1"></div>
<div id="div2"></div>
<div id="div3"></div>
<div id="div4"></div>


</div>

http://jsfiddle.net/wUrdM/


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