<!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">
<!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
<title>Bootstrap 101 Template</title>
<!-- Bootstrap -->
<link href="css/bootstrap.min.css" rel="stylesheet">
<!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries -->
<!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
<!--[if lt IE 9]>
<script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>
<script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
<![endif]-->
<style type="text/css">
@media only screen and (min-width: 100px) and (max-width: 400px) {
#test{
height:100px;
width:100px;
background: red;
}
}
@media only screen and (min-width: 400px) and (max-width: 600px) {
#test{
height:300px;
width:300px;
background:green;
}
}
@media only screen and (min-width: 600px) and (max-width: 800px) {
#test{
height:600px;
width:600px;
background: yellow;
}
}
</style>
</head>
<body>
<h1>Hello, world!</h1>
<div id="test">测试内容</div>
<!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<!-- Include all compiled plugins (below), or include individual files as needed -->
<script src="js/bootstrap.min.js"></script>
</body>
</html>
页面显示截图：
符合条件一的时候显示的效果：
2：符合条件二的时候显示的效果：
3、符合条件三显示的效果：
