body, html {
    height: 100%;
}

.back-button {
    background: #eceaea;
    border-radius: 10px;
    color: #7b7777;
    padding: 10px 0;
    font-weight: bold;
    cursor: pointer;
    width: 50%;
}

.back-button:hover {
    background: #c6c5c5;
}
@media only screen and (max-width: 40em) {
    body, html {
        height: auto;
    }
}