.akamai-player.akamai-recovery.akamai-slate #amp-error-management-overlay {
  background-image: url('Video-Slate.jpg');
  background-size: cover;
  display: block;
}
 
@media screen and (orientation: portrait) {
  .akamai-player.akamai-recovery.akamai-slate #amp-error-management-overlay {
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    background-color: White;
    display: block;
  }
}