body
{
  font-family: sans-serif;
  font-size: 100%;
  margin: 10px;
  color: #666;
  background-color: #EEE;
}

a { color: orange; }

img.ri
{
  position: absolute;
  max-width: 80%;
  top: 10%;
  left: 10%;
  border-radius: 3px;
}

img.ri:empty
{
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  -o-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}

@media screen and (orientation: portrait) {
  img.ri {
      max-width: 90%;
  }
}

@media screen and (orientation: landscape) {
  img.ri {
      max-height: 90%;
  }
}