.gallery-dark  .foogallery.fg-light.fg-shadow-outline .fg-item-inner {  
  box-shadow: 0 0 0 1px #333;
}

.gallery-dark .foogallery .fg-item-inner
 {
  background: #17181a;
  border-radius: 12px;
  border: 2px solid #333;
}

.gallery-dark .foogallery .fg-item .fa-image
 {
  border-radius: 8px;
 }