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<!DOCTYPE html>
<html lang="en" >
<head>
  <meta charset="UTF-8">
  <title>可切换的精美CSS3登录注册表单33</title>
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/5.0.0/normalize.min.css">
<style type="text/css">
    :root {
    /* COLORS */
    --white: #e9e9e9;
    --gray: #333;
    --blue: #0367a6;
    --lightblue: #008997;

    /* RADII */
    --button-radius: 0.7rem;

    /* SIZES */
    --max-width: 758px;
    --max-height: 420px;

    font-size: 16px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
        Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
}

body {
    align-items: center;
    background-color: var(--white);
    background: url("images/background_oeuhe7.jpg");
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    display: grid;
    height: 100vh;
    place-items: center;
}

.form__title {
    font-weight: 300;
    margin: 0;
    margin-bottom: 1.25rem;
}

.link {
    color: var(--gray);
    font-size: 0.9rem;
    margin: 1.5rem 0;
    text-decoration: none;
}

.container {
    background-color: var(--white);
    border-radius: var(--button-radius);
    box-shadow: 0 0.9rem 1.7rem rgba(0, 0, 0, 0.25),
        0 0.7rem 0.7rem rgba(0, 0, 0, 0.22);
    height: var(--max-height);
    max-width: var(--max-width);
    overflow: hidden;
    position: relative;
    width: 100%;
}

.container__form {
    height: 100%;
    position: absolute;
    top: 0;
    transition: all 0.6s ease-in-out;
}

.container--signin {
    left: 0;
    width: 50%;
    z-index: 2;
}

.container.right-panel-active .container--signin {
    transform: translateX(100%);
}

.container--signup {
    left: 0;
    opacity: 0;
    width: 50%;
    z-index: 1;
}

.container.right-panel-active .container--signup {
    -webkit-animation: show 0.6s;
            animation: show 0.6s;
    opacity: 1;
    transform: translateX(100%);
    z-index: 5;
}

.container__overlay {
    height: 100%;
    left: 50%;
    overflow: hidden;
    position: absolute;
    top: 0;
    transition: transform 0.6s ease-in-out;
    width: 50%;
    z-index: 100;
}

.container.right-panel-active .container__overlay {
    transform: translateX(-100%);
}

.overlay {
    background-color: var(--lightblue);
    background: url("images/background_oeuhe7.jpg");
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    height: 100%;
    left: -100%;
    position: relative;
    transform: translateX(0);
    transition: transform 0.6s ease-in-out;
    width: 200%;
}

.container.right-panel-active .overlay {
    transform: translateX(50%);
}

.overlay__panel {
    align-items: center;
    display: flex;
    flex-direction: column;
    height: 100%;
    justify-content: center;
    position: absolute;
    text-align: center;
    top: 0;
    transform: translateX(0);
    transition: transform 0.6s ease-in-out;
    width: 50%;
}

.overlay--left {
    transform: translateX(-20%);
}

.container.right-panel-active .overlay--left {
    transform: translateX(0);
}

.overlay--right {
    right: 0;
    transform: translateX(0);
}

.container.right-panel-active .overlay--right {
    transform: translateX(20%);
}

.btn {
    background-color: var(--blue);
    background-image: linear-gradient(90deg, var(--blue) 0%, var(--lightblue) 74%);
    border-radius: 20px;
    border: 1px solid var(--blue);
    color: var(--white);
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: bold;
    letter-spacing: 0.1rem;
    padding: 0.9rem 4rem;
    text-transform: uppercase;
    transition: transform 80ms ease-in;
}

.form > .btn {
    margin-top: 1.5rem;
}

.btn:active {
    transform: scale(0.95);
}

.btn:focus {
    outline: none;
}

.form {
    background-color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 0 3rem;
    height: 100%;
    text-align: center;
}

.input {
    background-color: #fff;
    border: none;
    padding: 0.9rem 0.9rem;
    margin: 0.5rem 0;
    width: 100%;
}

@-webkit-keyframes show {
    0%,
    49.99% {
        opacity: 0;
        z-index: 1;
    }

    50%,
    100% {
        opacity: 1;
        z-index: 5;
    }
}

@keyframes show {
    0%,
    49.99% {
        opacity: 0;
        z-index: 1;
    }

    50%,
    100% {
        opacity: 1;
        z-index: 5;
    }
}
</style>

</head>
<body>
<!-- partial:index.partial.html -->
<div class="container right-panel-active">
            <!-- Sign Up -->
            <div class="container__form container--signup">
                <form action="#" class="form" id="form1">
                    <h2 class="form__title">注册</h2>
                    <input type="text" placeholder="User" class="input" />
                    <input type="email" placeholder="Email" class="input" />
                    <input type="password" placeholder="Password" class="input" />
                    <button class="btn">注册</button>
                </form>
            </div>

            <!-- Sign In -->
            <div class="container__form container--signin">
                <form action="#" class="form" id="form2">
                    <h2 class="form__title">登录</h2>
                    <input type="email" placeholder="Email" class="input" />
                    <input type="password" placeholder="Password" class="input" />
                    <a href="#" class="link">忘记密码?</a>
                    <button class="btn">登录</button>
                </form>
            </div>

            <!-- Overlay -->
            <div class="container__overlay">
                <div class="overlay">
                    <div class="overlay__panel overlay--left">
                        <button class="btn" id="signIn">登录</button>
                    </div>
                    <div class="overlay__panel overlay--right">
                        <button class="btn" id="signUp">注册</button>
                    </div>
                </div>
            </div>
        </div>
<!-- partial -->
  <script>
      const signInBtn = document.getElementById("signIn");
const signUpBtn = document.getElementById("signUp");
const fistForm = document.getElementById("form1");
const secondForm = document.getElementById("form2");
const container = document.querySelector(".container");

signInBtn.addEventListener("click", () => {
    container.classList.remove("right-panel-active");
});

signUpBtn.addEventListener("click", () => {
    container.classList.add("right-panel-active");
});

fistForm.addEventListener("submit", (e) => e.preventDefault());
secondForm.addEventListener("submit", (e) => e.preventDefault());
  </script>

</body>
</html>
可切换的精美CSS3登录注册表单33