Vertically centering a div inside another div-第2页回答

I want to center a div which is added inside another div.

<div id="outerDiv">
    <div id="innerDiv">
    </div>
</div>

This is the CSS I am currently using.

    #outerDiv{
        width: 500px;
        height: 500px;
        position:relative;
    }

    #innerDiv{
        width: 284px;
        height: 290px;
        position:absolute;
        top: 50%;
        left:50%;
        margin-top: -147px;
        margin-left: -144px;
    }

As you can see,the approach I use now depends on values for width and height of innerDiv.If the width/height changes, I will have to modify the margin-top and margin-left values.Is there any generic solution that I can use to center the innerDiv always irrespective of its size?

I figured out that using margin:auto can horizontally allign the innerDiv to the middle.But what about vertical allign middle?

标签： html css html5 css3

23条回答

骚的不知所云

2楼-- · 2018-12-31 04:14

Instead of tying myself in a knot with hard-to-write and hard-to-maintain CSS (that also needs careful cross-browser validation!) I find it far better to give up on CSS and use instead wonderfully simple HTML 1.0:

<table id="outerDiv" cellpadding="0" cellspacing="0" border="0">
    <tr>
        <td valign="middle" id="innerDiv">
        </td>
    </tr>
</table>

This accomplishes everything the original poster wanted, and is robust and maintainable.

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流年柔荑漫光年

3楼-- · 2018-12-31 04:14

This will work way back to IE6!

<!DOCTYPE html> is required on IE6 too! [ will force IE6 default strict mode as well ].

( of course, the box coloring is for demo purposes only )

    #outer{
        width: 205px;
        height: 205px;
        margin: auto; 
        text-align: center;
    }
    #inner{
        text-align: left;
        vertical-align: middle;
        width: 120px;
        height: 120px;
        display: inline-block;
   
    }
    #center{
        height: 100%; width:0px;
        vertical-align: middle;
        display: inline-block;
    }
    div {background: rgba(0,128,255,.6)}

<div id=outer>
    <div id=center></div><div id=inner> The inner DIV
    </div>
</div>

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皆成旧梦

4楼-- · 2018-12-31 04:15

This works for me. Width and hight of the outer div can be defined.

Here the code:

.outer {
  position: relative;
  text-align: center;
  width: 100%;
  height: 150px; // Any height is allowed, also in %.
  background: gray;
}

.outer > div:first-child {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  background: red;
}

<div class="outer">
  <div class="inner">
    Put here your text or div content!
  </div>
</div>

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谁念西风独自凉

5楼-- · 2018-12-31 04:15

enter image description here 100% it works

.div1{
  height: 300px;
  background: red;
  width: 100%;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -ms-flex-align: center;
  -webkit-align-items: center;
  -webkit-box-align: center;
  align-items: center;
}
.div2{
  background: green;
  height: 100px;
  width: 100%;
}

    <div class="div1">
      <div class="div2">
      sdfd
      </div>
    </div>

https://jsfiddle.net/Mangesh1556/btn1mozd/4/

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闭嘴吧你

6楼-- · 2018-12-31 04:15

text align-center on parent element, display inline-block on child element. This will center all most anything. I believe its call a "block float".

<div class="outer">
 <div class="inner"> some content </div>
</div><!-- end outer -->

<style>
div.outer{
 width: 100%;
 text-align: center;
}
div.inner{
 display: inline-block;
 text-align: left
}
</style>

This is also a good alternative for float's, good luck!

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梦醉为红颜

7楼-- · 2018-12-31 04:17

To center align both vertically and horizontally:

#parentDiv{
    display:table;
    text-align:center;
}

#child {
     display:table-cell;
     vertical-align:middle;
}

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Vertically centering a div inside another div

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