.container {
  width: 100%;
  max-width: 720px;
  margin: 0 auto; 
}

.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-gap: 1rem;
}
  
@media (max-width: 50000px) and (min-width: 450px) { 
  .gallery {
    grid-gap: 0.7rem;
  }
}
@media (max-width: 449.99px) and (min-width: 250px) { 
  .gallery {
    grid-gap: 0.5rem;
  }
}
@media (max-width: 249.99px) and (min-width: 0px) { 
  .gallery {
    grid-gap: 0.1rem;
  }
}

.item {
  background-color: #f0f0f0;
  width: 100%;
  padding-top: 100%;
  background-size: cover;
}











.container-debug {
  width: 100%;
  height: 50px;
  background: #000000;
  opacity: 0.3;
  position: fixed;
  bottom: 0;
}