<!DOCTYPE html>
<html>
<head>
<title>漂亮背景</title>
<meta charset="utf-8"/>
<meta name="author" content="Stars"/>
<meta name="keywords" content=""/>
<meta name="description" content=""/>
<style>
*{
margin: 0;
padding: 0;
}
body{
height: 100vh;
display: flex;
justify-content: center;
align-items: center;
background: linear-gradient(125deg,#2c3e50,#27ae60,#2980b9,#e74c3c,#8e44ad);
background-size: 500%;
animation: backgroundframe 15s infinite linear;
}
@keyframes backgroundframe {
0%{
background-position: 0% 50%;
}
50%{
background-position: 100% 50%;
}
100%{
background-position: 0% 50%;
}
}
input:focus{
box-shadow: 0 0 5px #9ecaed;
outline: none;
border-color: #9ecaed;
}
</style>
</head>
<body>
<div style="padding:25px;border-radius:15px;background-color: white;display: flex;flex-direction: column;">
<h2 style="text-align: center;">商城系统</h3>
<div style="display: flex;padding: 10px;">
<h3 style="flex: 1;text-align:center;background-color: yellow;">用户登录</h3>
<h3 style="flex: 1;text-align:center;background-color: yellowgreen;">用户注册</h3>
</div>
<form>
<div style="padding:10px;display: flex;align-items: center;">
<label style="width: 25%;">用户名</label>
<input style="width: 75%;border-radius: 0;padding:5px;outline:0;height: 30px;border: 1px solid grey;color: grey;" type="text" name="username" placeholder="请输入用户名"/>
</div>
<div style="padding:10px;display: flex;align-items: center;">
<label style="width: 25%;">密码</label>
<input style="width: 75%;border-radius: 0;outline:0;padding:5px;height: 30px;border: 1px solid grey;color: grey;" type="password" name="password" placeholder="请输入用户名"/>
</div>
</form>
</div>
</body>
</html>
