.photo-gallery-wrapper {} 
.photo-gallery-pic-wrapper {
    padding: 5px;
    
}

.photo-gallery-pic {
    border: 2px solid brown;
    background-color:black;
    border-radius:10px;
    overflow: hidden;
    max-height:200px;
}

.photo-gallery-pic a {}
.photo-gallery-pic a img {}