@media screen and (max-width: 768px) {
    .auth-body {
        width: 85%;
        background-size: 50% 100%, 50% 100%, cover;
    }
    .md-half:first-child {
        border: 0;
        margin: 1em;
        padding: 1em;
    }
    .md-half {
        margin: 1em;
        padding: 1em;
    }
}