<!DOCTYPE html>
<html lang="en">

<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
*{
margin: 0;
padding: 0;
}
.wu{
height: 100px;
background-color: rgb(238, 192, 192);
}
.content {
width: 340px;
height: 261px;
background-color: #d1d1d1;
text-align: center;
position: relative;
border-top: 1px solid #d1d1d1;
}


.content .top {
width: 130px;
height: 130px;
position: absolute;
/* 距顶部 170px(父元素高的50%) */
left: 50%;
/* 子元素宽度一半 */
margin-left: -65px;
/* 子元素高度一半 */
margin-top: -65px;
background-image: url(img/img01.png);
background-repeat: no-repeat;
}

.content h4 {
font-size: 16px;
color: #f15a53;
line-height: 54px;
margin-top: 77px;
}

.content>p {
line-height: 30px;
color: #000100;
padding: 0 44px;
}
</style>
</head>

<body>
<div class="wu"></div>
<div class="content">
<div class="top"></div>
<h4>我们的设计 的设计</h4>
<p>从实地到方案敲定再到设计出图,从实地到方案敲定再到设计出图,从实地到方案敲定再到设计出图,从实地到方案敲定再到设计出图,</p>
</div>
</body>

</html>

[css]小案例---定位position_css