.auth-logo {
    width:250px;
    height:60px;
    box-sizing:border-box;
    padding:5px;
}

.auth-logo .logo {
    width:100%;
    height:100%;
    background-position:center;
    background-size:contain;
    background-repeat:no-repeat;
    background-image: url('/img/logo/logo_full.png');
}