Step 1: CSS to style text on hover image lists

style.css

ul.img-list {
  list-style-type: none;
  margin: 0;
  padding: 0;
  text-align: center;
}

ul.img-list li {
  display: inline-block;
  height: 150px;
  margin: 0 1em 1em 0;
  position: relative;
  width: 150px;
}