@media (max-width: 855px)
{
    #login-main-left { display: none; }
    #login-form { width: 100%; min-width: 100%; }
    #login-form-logo { width: 100px; min-width: 100px; height: 100px; min-height: 100px; display: block; margin-left: auto; margin-right: auto; }
    #login-form > div.w-100.calc-h-20px.f-col.over-y > span { text-align: center; }
}