前端學習之路——盒子模型練習
阿新 • • 發佈:2019-02-07
html:
<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<link href="盒子模型練習.css" type="text/css" rel="stylesheet">
</head>
<body>
<div class="top">
<div class="topcenter" >
<h1>topcenter</h1>
</div>
</div>
<div class="middle">
<div class="middle1">
<br/><h2>middle1</h2>
</div>
<br/>
<div class="middle2">
<br/><h2 >middle2</h2>
</div>
</div>
<div class="bottom"></div>
css:
.top{
background-color:steelblue;
width:100%;
height:70px;
text-align: left;
}
.topcenter{
margin:0px auto;/*左右自適應,上下為0*/
width:75%;
height:70px;
text-align: center ;
background-color:cadetblue;
}
.middle{
width:75%;
height:700px;
margin:8px auto;
background-color: gray;
}
.middle1{
width:100%;
height:30%;
background-color: cadetblue;
margin: 0px;
text-align: center;
}
.middle2{
width:100%;
height:10%;
background-color: darkgreen;
margin: 10px 0px;
text-align: center;
}
.bottom{
width:75%;
height:50px;
margin:0px auto;
background-color: darkslategray;
}