.custom-gallery-grid .vc_column-inner {
  padding: 2.5px !important;
  box-sizing: border-box;
}

.custom-gallery-grid .wpb_single_image,
.custom-gallery-grid .wpb_single_image img {
  margin: 0 !important;
  width: 100%;
  height: auto;
  display: block;
}