您知道如何更改背景颜色。我尝试使用
body.darkmode{
background-color:black;
color: white;
仍然无法正常工作。我的代码也很乱,因为我昨天才开始使用html进行编码。所以这是我第一次我想制作一个暗模式版本。因此,请不要担心内容,因为它仅用于演示。我昨天也发表了类似的文章,但是在这种情况下,我放了一些滚动条和导航栏。
<!DOCTYPE html>
<html>
<head>
<title>UwU</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
#navbar a {
float: left;
display: block;
color: #f2f2f2;
text-align: center;
padding: 15px;
text-decoration: none;
font-size: 17px;
}
#navbar a:hover {
background-color: #ddd;
color: black;
}
</style>
</head>
<body>
<div style="padding:15px 15px 2500px;font-size:15px">
<script>
// When the user scrolls down 20px from the top of the document, slide down the navbar
window.onscroll = function() {scrollFunction()};
function scrollFunction() {
if (document.body.scrollTop > 20 || document.documentElement.scrollTop > 20) {
document.getElementById("navbar").style.top = "0";
} else {
document.getElementById("navbar").style.top = "-50px";
}
}
</script>
<style>
body {
margin: 0;
font-family: Arial, Helvetica, sans-serif;
}
.topnav {
overflow: hidden;
background-color: #333;
}
.topnav a {
float: left;
color: #f2f2f2;
text-align: center;
padding: 14px 16px;
text-decoration: none;
font-size: 17px;
}
.topnav a:hover {
background-color: #ddd;
color: black;
}
.topnav a.active {
background-color: #4CAF50;
color: white;
}
</style>
</head>
<body>
<div class="topnav">
<a class="active" href="#home">Home</a>
<a href="#UwU">News</a>
<a href="#UwU">Contact</a>
<a href="#Settings">Settings</a>
</div>
<style>
h1 {text-align: center;}
p {text-align: left;}
div {text-align: left;}
.left {
display: block;
margin-left: auto;
margin-right: auto;
}
</style>
</head>
<body>
<h1>UwU</h1>
<p>you just got uwu.</p>
<p>say uwu after you saw master uwu for ton of luck UwU</p>
<div>UwU.</div>
<p></p>
<img src="data:image/jpeg;base64,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" alt="avatar" style="width:300px">
</body>
</html>
<style type ="text/css" >
.footer{
position: fixed;
text-align: left;
bottom: 0px;
width: 100%;
color: black;
}
</style>
</head>
<body>
<div class="footer">Made by rama 4/6/2020
<a href="D:\HTML\test.html" target="_self"><br>use light mode</a><a>•••</a><a href="">Page 2 UwU</a>
</div>
</body>
您尚未将class = "darkmode"
添加到body标签。
添加它,它应该可以工作。
<body class = "darkmode">