*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    background:#000;
    font-family:Arial, Helvetica, sans-serif;
}

.desktop-banner img,
.mobile-banner img{
    width:100%;
    display:block;
}

.mobile-banner{
    display:none;
}

.seo-footer{
    background:#000;
    color:#fff;
    padding:60px 20px;
}

.seo-footer .container{
    max-width:1200px;
    margin:auto;
}

.seo-footer h1{
    margin-bottom:20px;
    font-size:2rem;
}

.seo-footer p{
    line-height:1.7;
    max-width:900px;
}

@media (max-width:768px){

    .desktop-banner{
        display:none;
    }

    .mobile-banner{
        display:block;
    }

    .seo-footer{
        padding:40px 20px;
    }

    .seo-footer h1{
        font-size:1.5rem;
    }
}