html, body {
    height: 100%;
    background: #EDEFF1;
    font-family: 'Montserrat', 'sans-serif';
}

.main {
    height: 100%;
    width: 100%;
    display: table;
}

.wrapper {
    display: table-cell;
    height: 100%;
    vertical-align: middle;
    background-image: url(/images/backend/jbosk/tronchi.jpg) !important;
}
#login {
    width: 30%;
}
@media all and (max-width:800px) {
    #login {
        width: 90%;
    }
}