.wiki-thumb-right,
img[src$="#wiki-thumb-right"] {
  width: 300px;
  height: auto;
  float: right;
  margin: 15px;
  padding: 4px
}
.wiki-thumb-left,
img[src$="#wiki-thumb-left"] {
  width: 300px;
  height: auto;
  float: left;
  margin: 15px;
  padding: 4px
}