@media screen and ( min-width: 1400px ) { 

    .box-redes {
        padding: 12px 25px 6px 55px;
        margin-left: 6%;
        font-size: 30px;
    }
    .box-redes p {
        font-size: 16px;
    }

}

@media screen and ( max-width: 1200px ){

    .contbloque1 {
        background: url('/images/banners/banner-m.jpg?v=3'); 
        background-position: left top; 
        background-repeat: no-repeat; 
        background-size: cover;
        /*border: 1px solid #FF0000;*/
    }
    .img1, .img2, .img3 {
        background: url('/images/banners/promocion-m-min.png?v=2'); 
        background-position: left top; 
        background-repeat: no-repeat; 
        background-size: cover;
    }
    .img2 {
        background: url('/images/banners/logo-m.png?v=1'); 
        background-position: left top; 
        background-repeat: no-repeat; 
        background-size: cover;
    }
    .img3 {
        background: url(''); 
        background-position: left top; 
        background-repeat: no-repeat; 
        background-size: cover;
    }
    .box-redes {
        margin-left: 0;
    }

}