body {
  box-sizing: border-box;
  background-color: #eee;
  color: #555;
}

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 1rem;
  text-align: center;
  background-color: #fff;
  border-radius: 0.5em;
}

.gallery {
  display: grid;
  margin: 3em 0;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  grid-template-rows: 1fr;
  grid-gap: 2em;
  grid-auto-flow: dense;
}

figure {
  display: flex;
  margin: 0;
}

img {
  flex: 1;
  /*max-width: 100%;
  height: auto;*/
  width: 250px;
  height: 250px;
  object-fit: cover;
  margin: 5px auto 10px;
  border: solid #e6e6e6 2px;
            border: solid #eee 2px;
      box-shadow: 0px 7px 15px rgba(20, 20, 20, 0.5);
}
a{
  flex: 1;
  max-width: 100%;
  object-fit: cover;
  margin: 5px auto 10px;
}
  
.zoom {
  transition: transform .2s; /* Animation */
}

.zoom:hover {
  transform: scale(1.1);