#gallery-banner{
font-size: 400px;
}
#gallery-banner img{
    width: 100%;
    height: 1000px;
}
.gallery-img{
    max-height: 300px;
    min-height: 300px;
}

@media screen and (max-width: 768px) {
  .gallery-img{
    max-height: 200px;
    min-height: 200px;
  }

}