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请有人帮助我...在我最近的项目中这个功能完美的工作,但现在它不... CSS规则@media屏幕和(最大宽度:800px)只是不工作。我已经浏览了整个互联网,无法找到解决方案,请有人帮助我吗?@media屏幕和(最大宽度:800px)不工作,看遍了互联网
html body{
background-color: #fafafa;
height: 100%;
}
@media screen and (max-width: 800px) {
html body{background-color:#fff;}
}
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<!-- Optional theme -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap-theme.min.css" integrity="sha384-rHyoN1iRsVXV4nD0JutlnGaslCJuC7uwjduW9SVrLvRYooPp2bWYgmgJQIXwl/Sp" crossorigin="anonymous">
<!-- Latest compiled and minified JavaScript -->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
<!-- Google Roboto Fonts -->
<link href="http://fonts.googleapis.com/css?family=Roboto:400,400italic,300italic,300,100italic,100,500,500italic,700,700italic,900,900italic&subset=cyrillic,cyrillic-ext,latin,latin-ext" rel="stylesheet" type="text/css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<link href="css/style.css" rel="stylesheet" type="text/css" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</head>
<body>
<!-- My code -->
<!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
</body>
</html>
什么是 “不工作” 和 “不工作” 是什么意思?用一个描述性替代替换不精确的措词。 – user2864740
你2种颜色几乎是一样的,这可能会让你感到困惑...但是,CSS按预期工作https://jsfiddle.net/jqaf2x26/ –