.wide { width:100%; height:110px; background-image:url('../images/head_img.png'); background-size:cover; }


@media (min-width: 768px) {  .wide { height: 200px; } }
@media (min-width: 992px) { .wide { height: 300px; } }
@media (min-width: 1200px) { .wide { height: 350px; } }