在图片上加上文字的Div

问题描述：

我有包含图像和文字的列表.我想在图像上看到文字.

I have list with images and text. And I want to see text over image.

li{
   float:right
}
.textoverlay {
    margin: 50px 25px 0 0;
    position: absolute;
    z-index: 22;
}

<li>
    <div class="textoverlay">
        <a href=""><h1>Text</h1></a>
        <p>Lorem ipsum dolor sit amet, co</p>
    </div> 
    <img width="667" height="500" src="..." >       
</li>

但是可以将<div class="textoverlay">对准图像的中间吗?

But is it possible to align a <div class="textoverlay"> to the middle of the image?

答

以下css将使元素垂直居中对齐:

Following css will make an element vertically middle aligned:

.parent {
  position: relative;
}
.child {
  transform: translateY(-50%);
  position: absolute;
  top: 50%;
}

然后跟随css将使一个元素在水平和垂直方向上居中对齐:

And following css will make an element both horizontally and vertically middle aligned:

.parent {
  position: relative;
}
.child {
  transform: translateY(-50%);
  position: absolute;
  text-align: center;
  right: 0;
  top: 50%;
  left: 0;
}

.list {
  overflow: hidden;
  list-style: none;
  padding: 0;
  margin: 0;
}
li{
  position: relative;
  float:right
}
.textoverlay {
  transform: translateY(-50%);
  text-align: center;
  position: absolute;
  z-index: 10;
  right: 0;
  top: 50%;
  left: 0;
}

<ul class="list">
  <li>
    <div class="textoverlay">
      <a href=""><h1>Text</h1></a>
      <p>Lorem ipsum dolor sit amet, co</p>
    </div> 
    <img width="350" height="150" src="http://placehold.it/350x150" >       
  </li>
</ul>

在图片上加上文字的Div

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