.img_intro{
    background: url('../images/cloudinary/interfoto-1097-edited-w1242.jpg');
}
.img_k_r1{
    background: url('../images/cloudinary/interfoto-1097-edited-w1242.jpg');
}
.img_k_l2{
    background: url('../images/cloudinary/interfoto-1034-w1242.jpg');
}
.img_k_r2{
    background: url('../images/cloudinary/interfoto-1164-w1242-max1.jpg');
}
.img_k_r3{
    background: url('../images/cloudinary/akten-w1242-max1.jpg');
}
.img_t_r1{background: url('../images/cloudinary/interfoto-1182-crop-w1242.jpg');
}
.img_a_l1{background: url('../images/cloudinary/interfoto-1034-crop-w1242.jpg');
}
.img_le::before{content:url('../images/cloudinary/lederer-mobile.jpg');
}
.img_hoff::before{content:url('../images/cloudinary/hoff-mobile.jpg');
}
.img_ap::before{
    content:url('../images/cloudinary/apfelbacher-mobile.jpg');
}
@media only screen and (min-width: 768px)  {
    .img_intro{
        background: url('../images/cloudinary/interfoto-1097-edited-w2600.jpg');
    }
    .img_k_r1{
        background: url('../images/cloudinary/interfoto-1097-edited-w2000.jpg');
    }
    .img_k_l2{
        background: url('../images/cloudinary/interfoto-1034-w2000.jpg');
    }
    .img_k_r2{
        background: url('../images/cloudinary/interfoto-1164-w2000-max1.jpg');
    }
    .img_k_r3{
        background: url('../images/cloudinary/akten-w2000-max1.jpg');
    }
    .img_t_r1{background: url('../images/cloudinary/interfoto-1182-crop-w2000.jpg');
    }
    .img_a_l1{background: url('../images/cloudinary/interfoto-1034-crop-w2000.jpg');
    }
    .img_le::before{content:url('../images/cloudinary/lederer-desktop.jpg');
    }
    .img_hoff::before{content:url('../images/cloudinary/hoff-desktop.jpg');
    }
    .img_ap::before{
        content:url('../images/cloudinary/apfelbacher-desktop.jpg');
    }
    }

@media only screen and (min-width: 1000px)  {
.img_intro{
    background: url('../images/cloudinary/interfoto-1097-edited-w2500.jpg');
}
}

@media only screen and (min-width: 2000px)  {
    .img_intro{
        background: url('../images/cloudinary/interfoto-1097-edited-w3500.jpg');
    }
}

.img_intro,
.img_k_r1,
.img_k_l2,
.img_k_r2,
.img_k_r3,
.img_t_r1,
.img_a_l1,
.img_le,
.img_ap,
.img_hoff{background-position: center; background-repeat: no-repeat; background-size: cover;}