/* Default for all modern browsers */
body {
  background-image: url('others.png');
  background-size: cover;
  width: 300px;
  height: 200px;
}

/* IE 10 and 11 hack using a media query only IE understands */
@media all and (-ms-high-contrast: none), (-ms-high-contrast: active) {
  body {
    background-image: url('ie.png');
  }
}