@media only screen and (max-width: 772px) {
.cols4.imgMgn1 .imgGridItem {
    max-width: 100%;
    width: 100%;
    margin: 0px 0px 20px 0px;
}
}

@media (max-width: 767px){
.cols4 .imgGridItem .imgHover-content, .cols5 .imgGridItem .imgHover-content, .cols6 .imgGridItem .imgHover-content, .cols7 .imgGridItem .imgHover-content, .cols8 .imgGridItem .imgHover-content {
    display: block;
}
}