h2 { padding: 25px 0; }

.screen {
  display: block;
  height: 350px;
  overflow: hidden;
  position: relative;
  border: 2px solid #b3b3b3;
  border-radius: 1px;
  margin: 0 auto;
}

.screen img {
  max-width: 100%;
  height: auto;
  position: absolute;
  z-index: 0;
  margin: auto;
  left: 0;
  right: 0;
  padding: 0;
}