body.sub    {
    background-position: center top 67.1875vw;
}

.key:before {
    height: 92.708vw;
}

.button.te a    {
    background: #FFFFFF;
    border: 1px solid #FF0037;
    box-shadow: 4px 4px 0px rgba(0, 0, 0, 0.25);
    width: 100%;
    max-width: 400px;
}

@media screen and (max-width: 834px)    {
    .key:before {
        height: 199vw;
    }
}