一、实现效果：
二、代码
DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="login.css">
<title>登录界面title>
head>
<body>
<section>
<div class="color">div>
<div class="color">div>
<div class="color">div>
<div class="box">
<div class="circle" style="--x:0">div>
<div class="circle" style="--x:1">div>
<div class="circle" style="--x:2">div>
<div class="circle" style="--x:3">div>
<div class="circle" style="--x:4">div>
<div class="container">
<div class="form">
<h2>登录h2>
<form>
<div class="inputBox">
<input type="text" placeholder="姓名">
div>
<div class="inputBox">
<input type="password" placeholder="密码">
div>
<div class="inputBox">
<input type="submit" value="登录">
div>
<p class="forget">忘记密码?<a href="#">
点击这里
a>p>
<p class="forget">没有账户?<a href="#">
注册
a>p>
form>
div>
div>
div>
section>
body>
html>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
section {
position: relative;
overflow: hidden;
display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
background: linear-gradient(to bottom, #f1f4f9, #dff1ff);
}
section .color {
position: absolute;
filter: blur(200px);
}
section .color:nth-child(1) {
top: -350px;
width: 600px;
height: 600px;
background: #ff359b;
}
section .color:nth-child(2) {
bottom: -150px;
left: 100px;
width: 500px;
height: 500px;
background: #fffd87;
}
section .color:nth-child(3) {
bottom: 50px;
right: 100px;
width: 500px;
height: 500px;
background: #00d2ff;
}
.box {
position: relative;
}
.box .circle {
position: absolute;
background: rgba(255, 255, 255, 0.1);
backdrop-filter: blur(5px);
box-shadow: 0 25px 45px rgba(0, 0, 0, 0.1);
border: 1px solid rgba(255, 255, 255, 0.5);
border-right: 1px solid rgba(255, 255, 255, 0.2);
border-bottom: 1px solid rgba(255, 255, 255, 0.2);
border-radius: 50%;
filter: hue-rotate(calc(var(--x) * 70deg));
animation: animate 10s linear infinite;
animation-delay: calc(var(--x) * -1s);
}
@keyframes animate {
0%, 100%, {
transform: translateY(-50px);
}
50% {
transform: translateY(50px);
}
}
.box .circle:nth-child(1) {
top: -50px;
right: -60px;
width: 100px;
height: 100px;
}
.box .circle:nth-child(2) {
top: 150px;
left: -100px;
width: 120px;
height: 120px;
z-index: 2;
}
.box .circle:nth-child(3) {
bottom: 50px;
right: -60px;
width: 80px;
height: 80px;
z-index: 2;
}
.box .circle:nth-child(4) {
bottom: -80px;
left: 100px;
width: 60px;
height: 60px;
}
.box .circle:nth-child(5) {
top: -80px;
left: 140px;
width: 60px;
height: 60px;
}
.container {
position: relative;
width: 400px;
min-height: 400px;
background: rgba(255, 255, 255, 0.1);
display: flex;
justify-content: center;
align-items: center;
backdrop-filter: blur(5px);
box-shadow: 0 25px 45px rgba(0, 0, 0, 0.1);
border: 1px solid rgba(255, 255, 255, 0.5);
border-right: 1px solid rgba(255, 255, 255, 0.2);
border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}
.form {
position: relative;
width: 100%;
height: 100%;
padding: 50px;
}
.form h2 {
position: relative;
color: #fff;
font-size: 24px;
font-weight: 600;
letter-spacing: 5px;
margin-bottom: 30px;
cursor: pointer;
}
.form h2::before {
content: "";
position: absolute;
left: 0;
bottom: -10px;
width: 0px;
height: 3px;
background: #fff;
transition: 0.5s;
}
.form h2:hover:before {
width: 53px;
}
.form .inputBox {
width: 100%;
margin-top: 20px;
}
.form .inputBox input {
width: 100%;
padding: 10px 20px;
background: rgba(255, 255, 255, 0.2);
outline: none;
border: none;
border-radius: 30px;
border: 1px solid rgba(255, 255, 255, 0.5);
border-right: 1px solid rgba(255, 255, 255, 0.2);
border-bottom: 1px solid rgba(255, 255, 255, 0.2);
font-size: 16px;
letter-spacing: 1px;
color: #fff;
box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}
.form .inputBox input::placeholder {
color: #fff;
}
.form .inputBox input[type="submit"] {
background: #fff;
color: #666;
max-width: 100px;
margin-bottom: 20px;
font-weight: 600;
cursor: pointer;
}
.forget {
margin-top: 6px;
color: #fff;
letter-spacing: 1px;
}
.forget a {
color: #fff;
font-weight: 600;
text-decoration: none;
}
