body {
  padding: 0;
  margin: 0;
}

.image {
  background-image: url("https://i.imgur.com/HA3Pqq5.jpg");
  width: 2800px;
  height: 560px;
  
  position: absolute;
  top: 0;
  left: 0;
  
  -webkit-transform: translate3d(0, 0, 0);

  -webkit-animation: slideshow 15s linear infinite;
}

@-webkit-keyframes slideshow {
  0%    { -webkit-transform: translateX(0); }
  100%  { -webkit-transform: translateX(-1400px); }
}