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, #354c76, #354c77, #354c80);
}

.main {
    width: 450px;
    height: 600px;
    background: #354c76;
    overflow: hidden;

    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: 50px;
    margin-bottom: -15px;
    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: 50%;
    height: 25px;
    margin: 5px auto;
    justify-content: center;
    display: block;
    color: #fff;
    background: #354c76;
    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: black;
}

select {
    width: 60%;
    height: 40px;
    margin: 10px auto;
    justify-content: center;
    display: block;
    color: #354c76;
    background: #fff;
    font-size: 1em;
    font-weight: bold;
    margin-top: 20px;
    outline: none;
    border: none;
    border-radius: 5px;
    transition: .2s ease-in;
    cursor: pointer;
}


.login {
    height: 580px;
    background: #eee;
    border-radius: 60% / 10%;
    transform: translateY(-180px);
    transition: .8s ease-in-out;
}

.login label {
    color: #354c76;
    transform: scale(.6);
}

#chk:checked ~ .login {
    transform: translateY(-670px);
}

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

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

h1 {
    display: block;
    font-size: 2.5em;
    margin-top: 0.67em;
    margin-bottom: 0.67em;
    margin-left: 0;
    margin-right: 0;
    font-weight: bold;
    color: white;
}

.center {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 60%;
}

.white {
    color: white;
}