.gallery {
  width: 790px;
  margin: 0 auto;
  padding: 5px;
  background: #333; 
  display: inherit !important;}

.gallery > div {
  position: relative;
  float: left;
  padding: 5px; }

.gallery > div > img {
  width: 250px;
  transition: .1s transform;
  transform: translateZ(0);
    height: 250px;
  /* hack */ }

.gallery > div:hover {
  z-index: 1; }

.gallery > div:hover > img {
  transform: scale(1.5, 1.5);
  transition: .3s transform; }

.cf:before, .cf:after {
  display: table;
  content: "";
  line-height: 0; }

.cf:after {
  clear: both; }

h1 {
  margin: 40px 0;
  font-size: 24px;
  text-align: center;
  text-transform: uppercase; }