css实现背景渐变动画的简洁登录表单页面效果代码-html代码-BFW代码库

css实现背景渐变动画的简洁登录表单页面效果代码

代码语言：html

代码描述：css实现背景渐变动画的简洁登录表单页面效果代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!doctype html>
<html>

<head>
    <meta charset="utf-8">


    <style>
        #canvas {
        	box-shadow:0 0 10px #e4ffb8;
        }
        h1 {
        	color:#4c1caa;
        	text-align:t;
        }
        body {
        	margin:0;
        	padding:0;
        	font-family:"montserrat";
        	background-image:linear-gradient(125deg,#2c3e50,#27ae60,#2980b9,#e74c3c,#8e44ad);
        	background-size:400%;
        	animation:bganimation 15s infinite;
        	text-shadow:2.5px 5px 0.3125rem royalblue;
        	color:#8E44AD;
        	font-size:sans-serif;
        }
        .box {
        	width:300px;
        	padding:40px;
        	position:absolute;
        	top:50%;
        	left:50%;
        	transform:translate(-50%,-50%);
        	text-align:center;
        }
        .box h1 {
        	color:greenyellow;
        	text-transform:uppercase;
        	font-weight:500;
        }
        input::-webkit-input-placeholder{
    color:white;
    font-size:20px;
}
        .box input[type = "text"],.box input[type = "password"] {
        	border:0;
        	background:none;
        	display:block;
        	margin:20px auto;
        	text-align:center;
        	border:2px solid white;
        	padding:14px 10px;
        	width:200px;
        	outline:none;
        	color:white;
        	border-radius:24px;
        	transition:0.25s;
        }
        .box input[type = "text"]:focus,.box input[type = "password"]:focus {
        	width:280px;
        	border-color:#2ecc71;
        }
        -webkit-input-placeholder {
        	color:red;
        	font-size:20px;
        	line-height:50px;
        }
        .box input[type = "submit"] {
        	border:0;
        	background:none;
        	display:block;
        	margin:20px auto;
        	text-align:center;
        	border:2px solid #2ecc71;
        	padding:14px 40px;
        	outline:none;
        	color:white;
        	border-radius:24px;
        	transition:0.25s;
        	cursor:pointer;
        }
        .box input[type = "submit"]:hover {
        	background:#2ecc71;
        }
        .text {
        	color:white;
        	text-align:center;
        	text-transform:uppercase;
        	margin:0px 0;
      
                	font-size:22px;
        }
        @keyframes bganimation {
        	0% {
        	background-position:0% 50%;
        }
        50% {
        	background-position:100% 50%;
        }
        100% {
        	background-position:0% 50%;
        }
        }
    </style>
</head>

<body>
    <canvas id="canvas"></canvas>

    <div class="text">
   .........完整代码请登录后点击上方下载按钮下载查看