@media (max-width: 991px) and (min-width: 769px) {
    #header2 { 
        background-size: 150%;
        background-position: top!important;
    }
    #header3 { 
        background-size: 150%;
        background-position: left bottom!important;
    }
    
    footer, footer.contact{
        height: auto;
    }
}