.portfolio-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    width: 100%;
}

@media (min-width:767px){
    .portfolio-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}
}

.portfolio-image{
 width: 100%;
    height: auto;
    display: block;
}

.glightbox{
   display: block;
    width: 100%;
    height: auto; 
}