前端动态背景登录
效果演示
完整代码
首先我们要导入jquery.js包
html代码
<!doctype html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>动态背景登录</title>
<link rel="stylesheet" type="text/css" href="css/styles.css">
</head>
<body>
<div class="kePublic">
<!--效果html开始-->
<div class="htmleaf-container">
<div class="wrapper">
<div class="container">
<h1>Welcome</h1>
<form class="form">
<input type="text" placeholder="Username">
<input type="password" placeholder="Password">
<button type="submit" id="login-button">Login</button>
</form>
</div>
<ul class="bg-bubbles">
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
</div>
</div>
<script src="js/jquery.js" type="text/javascript"></script>
<script>
$('#login-button').click(function (event) {
event.preventDefault();
$('form').fadeOut(500);
$('.wrapper').addClass('form-success');
});
</script>
</body>
</html>
css代码
@charset "utf-8";
* {
margin: 0;
padding: 0;
-webkit-text-size-adjust: none
}
h1{
margin-top: 100px;
}
h2,
h3,
h4,
h5,
h6 {
font-size: 12px;
font-weight: normal
}
body>div {
margin: 0 auto
}
div {
text-align: left
}
a img {
border: 0
}
body {
color: #333;
text-align: center;
font: 12px "微软雅黑";
}
ul,
ol,
li {
list-style-type: none;
vertical-align: 0
}
.kePublic {
background: #FFF;
padding: 0px;
font-weight: 300;
}
body ::-webkit-input-placeholder {
/* WebKit browsers */
font-family: 'Source Sans Pro', sans-serif;
color: white;
font-weight: 300;
}
body :-moz-placeholder {
/* Mozilla Firefox 4 to 18 */
font-family: 'Source Sans Pro', sans-serif;
color: white;
opacity: 1;
font-weight: 300;
}
body ::-moz-placeholder {
/* Mozilla Firefox 19+ */
font-family: 'Source Sans Pro', sans-serif;
color: white;
opacity: 1;
font-weight: 300;
}
body :-ms-input-placeholder {
/* Internet Explorer 10+ */
font-family: 'Source Sans Pro', sans-serif;
color: white;
font-weight: 300;
}
.wrapper {
background: #50a3a2;
background: -webkit-linear-gradient(top left, #50a3a2 0%, #53e3a6 100%);
background: linear-gradient(to bottom right, #50a3a2 0%, #53e3a6 100%);
opacity: 0.8;
position: relative;
left: 0;
width: 100%;
height: 900px;
overflow: hidden;
}
.wrapper.form-success .container h1 {
-webkit-transform: translateY(85px);
-ms-transform: translateY(85px);
transform: translateY(85px);
}
.container {
max-width: 600px;
margin: 0 auto;
padding: 80px 0;
height: 400px;
text-align: center;
}
.container h1 {
font-size: 40px;
-webkit-transition-duration: 1s;
transition-duration: 1s;
-webkit-transition-timing-function: ease-in-put;
transition-timing-function: ease-in-put;
font-weight: 200;
color: #fff;
}
form {
padding: 20px 0;
position: relative;
z-index: 2;
}
form input {
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
outline: 0;
border: 1px solid rgba(255, 255, 255, 0.4);
background-color: rgba(255, 255, 255, 0.2);
width: 220px;
border-radius: 3px;
padding: 10px 15px;
margin: 0 auto 10px auto;
display: block;
text-align: center;
font-size: 18px;
color: white;
-webkit-transition-duration: 0.25s;
transition-duration: 0.25s;
font-weight: 300;
}
form input:hover {
background-color: rgba(255, 255, 255, 0.4);
}
form input:focus {
background-color: white;
width: 300px;
color: #53e3a6;
}
form button {
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
outline: 0;
background-color: white;
border: 0;
padding: 10px 15px;
color: #53e3a6;
border-radius: 3px;
width: 250px;
cursor: pointer;
font-size: 18px;
-webkit-transition-duration: 0.25s;
transition-duration: 0.25s;
}
form button:hover {
background-color: #f5f7f9;
}
.bg-bubbles {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: 1;
}
.bg-bubbles li {
position: absolute;
list-style: none;
display: block;
width: 40px;
height: 40px;
background-color: rgba(255, 255, 255, 0.15);
bottom: -160px;
-webkit-animation: square 25s infinite;
animation: square 25s infinite;
-webkit-transition-timing-function: linear;
transition-timing-function: linear;
}
.bg-bubbles li:nth-child(1) {
left: 10%;
}
.bg-bubbles li:nth-child(2) {
left: 20%;
width: 80px;
height: 80px;
-webkit-animation-delay: 2s;
animation-delay: 2s;
-webkit-animation-duration: 17s;
animation-duration: 17s;
}
.bg-bubbles li:nth-child(3) {
left: 25%;
-webkit-animation-delay: 4s;
animation-delay: 4s;
}
.bg-bubbles li:nth-child(4) {
left: 40%;
width: 60px;
height: 60px;
-webkit-animation-duration: 22s;
animation-duration: 22s;
background-color: rgba(255, 255, 255, 0.25);
}
.bg-bubbles li:nth-child(5) {
left: 70%;
}
.bg-bubbles li:nth-child(6) {
left: 80%;
width: 120px;
height: 120px;
-webkit-animation-delay: 3s;
animation-delay: 3s;
background-color: rgba(255, 255, 255, 0.2);
}
.bg-bubbles li:nth-child(7) {
left: 32%;
width: 160px;
height: 160px;
-webkit-animation-delay: 7s;
animation-delay: 7s;
}
.bg-bubbles li:nth-child(8) {
left: 55%;
width: 20px;
height: 20px;
-webkit-animation-delay: 15s;
animation-delay: 15s;
-webkit-animation-duration: 40s;
animation-duration: 40s;
}
.bg-bubbles li:nth-child(9) {
left: 25%;
width: 10px;
height: 10px;
-webkit-animation-delay: 2s;
animation-delay: 2s;
-webkit-animation-duration: 40s;
animation-duration: 40s;
background-color: rgba(255, 255, 255, 0.3);
}
.bg-bubbles li:nth-child(10) {
left: 90%;
width: 160px;
height: 160px;
-webkit-animation-delay: 11s;
animation-delay: 11s;
}
@-webkit-keyframes square {
0% {
-webkit-transform: translateY(0);
transform: translateY(0);
}
100% {
-webkit-transform: translateY(-700px) rotate(600deg);
transform: translateY(-700px) rotate(600deg);
}
}
@keyframes square {
0% {
-webkit-transform: translateY(0);
transform: translateY(0);
}
100% {
-webkit-transform: translateY(-700px) rotate(600deg);
transform: translateY(-700px) rotate(600deg);
}
}
