.iphone-mockup .screen {
  position: absolute;
  width: 88%;
  height: 77%;
  top: 12%;
  border-radius: 2px;
  left: 6%;
  border: 1px solid #444;
  background-color: #aaa;
  overflow: hidden;
  background: url(../../assets/img/dart_Lizenzfrei_2.jpg);
  background-size: cover;
  background-position: center;
}