HTML:
<!DOCTYPE html>
<html>
<head>
<link type="text/css" rel="stylesheet" href="stylesheet.css"/>
<title>Some Title</title>
</head>
<body>
<div id="header"></div>
<div class="left"></div>
<div class="right"></div>
<div id="footer"></div>
</body>
</html>
CSS:
div {
border-radius: 5px;
}
.header {
height: 100px;
width: 75%;
background-color: black;
}
#left {
height: 600px;
width: 30%;
background-color: gray;
}
#right {
height: 600px;
width: 50px;
background-color: blue;
}
.footer {
height: 100px;
width: 75%;
background-color: black;
}
如果有些东西对代码一无所知并且完全错误,有人可以指出我吗？div不会出现给我.