实现效果图如下:
代码附上:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,user-scalable=0">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
</head>
<body>
<!--一个未知宽高的弹出框,水平垂直居中-->
<div style="position:relative;width:100%;height:450px;border:1px solid #888">方法1
<div class="modal">
<div class="modal-header">弹出窗标题</div>
<div class="modal-body">
.modal类中的position: absolute;表示现对于父类元素height:450px;来居中的
.modal类中的position: fixed;表示现对于body来居中的
</div>
</div>
</div>
<style type="text/css">
.modal-header {
padding: 10px 20px;
text-align: center;
background: rgba(0, 0, 0, .25);
color: #fff;
}
.modal-body {
padding: 20px;
background: #fff;
}
.modal {
overflow-y: auto;
max-height: 95%;
font-size: 16px;
z-index: 103;
border-radius: 5px;
background: #ffffff;
width: 80%;
border: 1px solid #e5e5e5;
color: #333;
display: block;
box-shadow: 0 0 3px rgba(0, 0, 0, .1);
/**主要代码*/
position: absolute;
top: 50%;
left: 50%;
-webkit-transform: translate(-50%, -50%);
transform: translate(-50%, -50%);
}
</style>
<!--end-->
</body>
</html>
section {
display: flex;
display: -webkit-flex;
display: -webkit-box;
}
section div {
border: 1px solid #dddddd;
height: 200px;
margin-right: 20px;
width: 200px;
border-radius: 5px;
cursor: pointer;
box-shadow: 5px 4px 13px -1px #8e8e8e;
text-align: center;
display: flex;
justify-content: center;
align-items: center;
}
<section>
<div>1</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
</section>