body {
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    font-family: 'Jost', sans-serif;
    background: linear-gradient(to bottom, #0f0c29, #302b63, #24243e);
}

.main {
    width: 350px;
    height: 500px;
    background: red;
    overflow: hidden;
    background: url("https://doc-08-2c-docs.googleusercontent.com/docs/securesc/68c90smiglihng9534mvqmq1946dmis5/fo0picsp1nhiucmc0l25s29respgpr4j/1631524275000/03522360960922298374/03522360960922298374/1Sx0jhdpEpnNIydS4rnN4kHSJtU1EyWka?e=view&authuser=0&nonce=gcrocepgbb17m&user=03522360960922298374&hash=tfhgbs86ka6divo3llbvp93mg4csvb38") no-repeat center/cover;
    border-radius: 10px;
    box-shadow: 5px 20px 50px #000;
}

#chk {
    display: none;
}

.signup {
    position: relative;
    width: 100%;
    height: 100%;
}

label {
    color: #fff;
    font-size: 2.3em;
    justify-content: center;
    display: flex;
    margin: 60px;
    font-weight: bold;
    cursor: pointer;
    transition: .5s ease-in-out;
}

input {
    width: 60%;
    height: 20px;
    background: #e0dede;
    justify-content: center;
    display: flex;
    margin: 20px auto;
    padding: 10px;
    border: none;
    outline: none;
    border-radius: 5px;
}

button {
    width: 60%;
    height: 40px;
    margin: 10px auto;
    justify-content: center;
    display: block;
    color: #fff;
    background: #573b8a;
    font-size: 1em;
    font-weight: bold;
    margin-top: 20px;
    outline: none;
    border: none;
    border-radius: 5px;
    transition: .2s ease-in;
    cursor: pointer;
}

button:hover {
    background: #6d44b8;
}

.login {
    height: 460px;
    background: #eee;
    border-radius: 60% / 10%;
    transform: translateY(-180px);
    transition: .8s ease-in-out;
}

.login label {
    color: #573b8a;
    transform: scale(.6);
}

#chk:checked ~ .login {
    transform: translateY(-500px);
}

#chk:checked ~ .login label {
    transform: scale(1);
}

#chk:checked ~ .signup label {
    transform: scale(.6);
}

 /* Modal styles */
 .modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgb(0, 0, 0);
    background-color: rgba(0, 0, 0, 0.4);
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    border-radius: 4px;
    width: 80%;
    max-width: 500px;
    text-align: center;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

@media (max-width: 600px) {
    .main {
        width: 90%;
        height: auto;
        margin: 20px;
    }

    label {
        font-size: 1.8em;
        margin: 40px;
    }

    input {
        width: 80%;
    }

    button {
        width: 80%;
    }
}