style.css

body {
    font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-weight: 280;
    font-size: 18px;
    margin-left: auto;
    margin-right: auto;
    width: 1000px;
}

h1 {
    font-weight: 300;
}

a:link,
a:visited {
    color: #175e94;
    text-decoration: none;
}

a:hover {
    color: #2c8696;
}

.myGallery {
  display: grid;
  grid-gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.myGallery img {
  width: 100%;
}

/*
  And here are some declarations for the image caption.
  Just hover over one of the last 5 images to see it.
*/

.myGallery .item {
  position: relative;
  overflow: hidden;
}

.myGallery .item img {
  vertical-align: middle;
}

.myGallery .caption {
  margin: 0;
  padding: 1em;
  position: absolute;
  z-index: 1;
  bottom: 0;
  left: 0;
  width: 100%;
  max-height: 100%;
  overflow: auto;
  box-sizing: border-box;
  transition: transform 0.5s;
  transform: translateY(100%);
  background: rgba(0, 0, 0, 0.7);
  color: rgb(255, 255, 255);
}

.myGallery .item:hover .caption {
  transform: translateY(0%);
}

.verticalLine {
  border-left: thick solid #000000;
  display:inline-block;
}