.gallery-item {
    width: 20% !important;
    height:270px;
    margin-top:20px;
}

    .gallery-item img {
        width: 100% !important;
        height: 100% !important;
    }

.thumb {
    height: 75% !important;
    width: 66% !important;
    margin-left: 10%;
}

.thumb-header, .thumb-footer {
    width: 70%;
    height: 10%;
    margin-left: 15%;
}

@media (min-width:1200px) {
   



}

@media (max-width:1199px) {

    .gallery-item {
        width: 25% !important;
    }

}

@media (max-width:991px) {
}

@media (max-width:767px) {

}

@media (max-width:479px) {
    .gallery-item {
        margin-left:8%;
    }
}