实例
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>day0323作业</title>
<style type="text/css">
/*单行文本在块元素中的左右，垂直居中对齐*/
.box1 {
width:200px;
height:200px;
text-align:center;
background-color:yellow;
line-height:200px;
}
/*多行文本在父元素是块元素情况下的上下，垂直对齐方式*/
.box2 {
width:200px;
height:200px;
background-color:red;
text-align:center;
display:table-cell;
vertical-align:middle;
}
/*子元素是块元素，父元素也块元素，如何左右，上下居中，左右使用margin:auto,上下使用display:table-cell,vartical-align:middle;*/
.box3 {
width:200px;
height:200px;
background-color:green;
display: table-cell;
vertical-align:middle;
}
.box3 .child {
width: 100px;
height: 100px;
background-color: #F4FF0A;
margin: auto; /*水平居中*/
}
.box4 {
width:200px;
height:200px;
background-color:pink;
text-align:center;
display:table-cell;
vertical-align: bottom;
}
.box4 ul {
margin:0;
padding:0;
}
.box4 li {
list-style: none;
display:inline;
}
</style>
</head>
<body>
<div class="box1">
<a href="">java学习网站</a>
</div>
<hr><br>
<div class="box2">
<span>聚客中文网</span>
<span>www.gicater.com</span>
</div>
<hr><br>
<div class="box3">
<div class="child"></div>
</div>
<hr><br>
<div class="box4">
<ul class="child1">
<li><a href="">1</a></li>
<li><a href="">2</a></li>
<li><a href="">3</a></li>
<li><a href="">4</a></li>
<li><a href="">5</a></li>
</ul>
</div>
</body>
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