/* (A) WHOLE PAGE */
* { box-sizing: border-box; }
body { background: #fff;  }

/* (B) GALLERY WRAPPER */
.gallery {
  /* (B1) GRID LAYOUT - 2 IMAGES PER ROW */
 
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-gap: 20px;
  
  /* (B2) OPTIONAL WIDTH RESTRICT */
  max-width: 1200px;
  margin: 0 auto;
}

/* (C) GALLERY IMAGES */
.gallery img {
  /* (C1) DIMENSION */
  width: 100%;
  /*height: 350px; /* optional */
  padding: 0px;
  box-shadow: #000000 0px 5px 10px -5px;

  /* (C2) COLORS */
  border: 1px solid #fff;
  background: #fff;

  /* (C3) IMAGE RESIZE */
  /* cover | contain | fill | scale-down */
  object-fit: contain;
  position: relative;
}

/* (D) ON SMALL SCREENS - 2 IMAGES PER ROW */
@media only screen and (max-width: 1200px) {
  .gallery {
    grid-template-columns: repeat(2, 1fr);
	margin:0 20px;
  }
}
/* (D) ON SMALL SCREENS - 1 IMAGES PER ROW */
@media only screen and (max-width: 500px) {
  .gallery {
    grid-template-columns: repeat(1, 1fr);
  }
}

/* (E) OPTIONAL ZOOM ON HOVER */
.gallery img:hover {
  z-index: 9;
  transform: scale(0.99);
  /* linear | ease | ease-in | ease-out | ease-in-out */
  transition: transform ease 0.5s;
}