我很难理解为什么每当我加入bootstrap.css时我的媒体查询都无法正常工作。当我不包含bootstrap.css时，媒体查询工作正常，但是一旦我链接，它就会停止响应。这是我的html和css代码。谢谢!!!
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Responsive Exps</title>
<link rel="stylesheet" type="text/css" href="untitled.css">
<script src="js/jquery-2.2.0.js"></script>
<script src="js/bootstrap.min.js"></script>
</head>
<body>
<h1>This is awesome that you can have responsive sites</h1>
</body>
</html>
----- ------ CSS
@media (min-width: 1200px) {
body{
background-color: darkblue;
font-size: 40px;
}
}
@media (min-width: 992px) and (max-width: 1199px) {
body{
background-color: green;
font-size: 30px;
}
}
@media (min-width: 768px) and (max-width: 991px) {
body{
background-color: lightblue;
font-size: 20px;
}
}
@media (max-width: 767px) {
body{
background-color: red;
font-size: 10px;
}
}
@media (max-width: 480px) {
body{
background-color: black;
}
}