<!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=1.0">
<title>欢迎页面</title>
<!-- <link rel="stylesheet" type="text/css" href="css/style.css" /> -->
<style>
*{
padding: 0;
margin: 0;
font-family: "楷体";
}
header{
background-image:linear-gradient(rgba(0,0,0,0.5),rgba(0,0,0,0.5)), url("https://images.unsplash.com/photo-1533745848184-3db07256e163?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=1932&q=80");
height: 100vh;
background-size: cover;
background-position: center;
}
ul{
float: right;
list-style-type: none;
margin: 15px;
}
ul li{
display: inline-block;
}
ul li a{
text-decoration: none;
color: #fff;
padding: 5px 20px;
border: 1px solid transparent;
transition: .6s ease;
border-radius: 20px;
}
ul li a:hover{
background-color: #fff;
color: #000;
}
ul li.active a{
background-color: #fff;
color: #000;
}
.title{
position: absolute;
top:50%;
left:50%;
transform: translate(-50%,-50%);
}
.title h1{
color: #fff;
font-size: 70px;
font-family: Century Gothic;
}
</style>
</head>
<body>
<header>
<div class="main">
<ul>
<li class="active"><a href="#">首页</a></li>
</ul>
</div>
<div class="title">
<h1><span style="color: crimson;">欢迎登录本系统</span></h1>
</div>
</header>
</body>
</html>标签：50%,color,welcome,li,ul,html,background,fff From： https://www.cnblogs.com/liyiyang/p/17471087.html