body {
    transition: opacity 0.5s ease;
    background-color: #ffffff;
    margin-bottom: 300px;
}

body.fade-out {
    opacity: 0;
}

.contents {
    text-align: center;
    justify-content: center;
    align-items: center;
    display: flex;
    width: 100%;
    flex-direction: column;

}

.btn {
    text-align: center;
    margin-top: 0px;
    margin-bottom: 8vw;
}

.btn-backWhite {
    border-radius: 14px;
    border: 7px;
    background-color: #030a04;
    color:white;
    text-align: center;
  
    font-size: 1.5vw;
    font-weight: 900;
    padding: 0.8em 5em;
    margin-top: 0px;
    margin-bottom: 6vw;
    text-decoration: none;
    
    box-shadow: 0 0px 10px 0 rgba(0,0,0,0.5);
}

.face-wrapper {
    width: 22%;
}

@media screen and (max-width: 480px) {
    body {
        transition: opacity 0.5s ease;
        background-color: #ffffff;
        width: 100%;
    }

    .face-wrapper {
        width: 50%;
    }

    .contents {
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .btn {
        width: 80%;
        text-align: center;
        margin-top: 0px;
        margin-bottom: 4em;
    }

    .btn-backWhite {
        width: 100%;

        border-radius: 14px;
        border: 7px;
        background-color: #030a04;
        color:white;
        text-align: center;
    
        font-size: 5vw;
        font-weight: 900;
        margin-top: 0px;
        margin-bottom: 6vw;
        text-decoration: none;
        
        box-shadow: 0 0px 10px 0 rgba(0,0,0,0.5);
    }
}