body {
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    font-family: 'Jost', sans-serif;
    /*background-image: url("../images/backimg.jpg") !important;*/
    object-fit: cover !important;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}

.main {
    width: 350px;
    height: 500px;
    background: #b2292c;
    overflow: hidden;
    border-radius: 20px;
    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: 35px;
    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: #FF576B;
    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: #b4626b;
    }

.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);*/
    transform: translateY(-420px);
}

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

#chk:checked ~ .signup label {
    transform: scale(.8);
}
.btnlogin {
    justify-content: center !important;
    display: block !important;
}