.image_gallery_inner .bottom_section .lightbox_section .image_section.width_one_fourth {
    width: calc(25% - 18px);
}

@media (max-width: 1199px){
	.image_gallery_inner .bottom_section .lightbox_section .image_section.width_one_fourth {
        width: calc(50% - 18px);
    }
}

@media (max-width: 575px){
	.image_gallery_inner .bottom_section .lightbox_section .image_section.width_one_fourth {
        width: calc(50% - 7px) !important;
    }
}