154 lines
3.8 KiB
HTML
154 lines
3.8 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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<style>
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* {
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margin: 0;
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padding: 0;
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}
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html, body {
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height: 100%;
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height: 100%;
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}
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.login {
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width: 358px;
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height: 588px;
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border-radius: 15px;
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padding: 0 50px;
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position: relative;
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left: 50%;
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top: 50%;
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transform: translate(-50%, -50%);
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background-color: #282c34;
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}
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.header {
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font-size: 38px;
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font-weight: bold;
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text-align: center;
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line-height: 200px;
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color: #61dafb;
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}
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.container {
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height: 30px;
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width: 250px;
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position: absolute;
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left: 50%;
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top: 40%;
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transform: translate(-50%, -50%);
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}
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input {
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width: 100%;
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height: 100%;
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position: relative;
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outline: none;
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border: none;
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box-sizing: border-box;
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padding-left: 5px;
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background-color: #282c34;
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color: #61dafb;
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caret-color: #61dafb;
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}
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input::placeholder {
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color: #61dafb;
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}
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span {
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position: absolute;
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content: "";
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display: block;
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background-color: #61dafb;
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transition: transform .1s ease-in-out;
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}
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.top,
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.bottom {
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left: 0px;
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right: 0px;
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height: 2px;
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}
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.left,
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.right {
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top: 0px;
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bottom: 0px;
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width: 2px;
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transform: scaleY(0);
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}
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.top {
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top: 0px;
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transform: scaleX(0);
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transform-origin: left center;
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transition-delay: .2s;
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}
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.left {
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left: 0px;
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transform-origin: bottom center;
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transition-delay: .3s;
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}
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.bottom {
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bottom: 0px;
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}
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.right {
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right: 0px;
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transform-origin: top center;
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transition-delay: .1s;
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}
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input:focus ~ .right {
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transform: scaleY(1);
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transform-origin: bottom center;
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}
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input:focus ~ .left {
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transform: scaleY(1);
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transform-origin: top center;
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}
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input:focus ~ .top {
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transform: scaleY(1);
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transform-origin: right center;
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}
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.container1 {
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height: 30px;
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width: 250px;
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position: absolute;
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left: 50%;
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top: 50%;
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transform: translate(-50%, -50%);
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}
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.btn {
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position: absolute;
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left: 50%;
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top: 54%;
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transform: translate(-50%, -50%);
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text-align: center;
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padding: 5px;
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width: 52%;
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margin-top: 40px;
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background-color: #61dafb;
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color: #fff;
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}
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</style>
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</head>
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<body>
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<div class="login">
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<div class="header">登录</div>
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<div class="container">
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<input type="text" placeholder="请输入用户名">
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<span class="left"></span>
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<span class="right"></span>
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<span class="top"></span>
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<span class="bottom"></span>
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</div>
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<div class="container1">
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<input type="password" placeholder="请输入密码">
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<span class="left"></span>
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<span class="right"></span>
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<span class="top"></span>
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<span class="bottom"></span>
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</div>
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<div class="btn">登录</div>
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</div>
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</body>
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</html>
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