.mitid-close-button {
  width: 5px;
  height: 5px;
  max-height: 5px;
  max-width: 5px;
  min-width: 5px;
  min-height: 5px;
  line-height: 0px;
  padding: 10px 20px 10px 10px;
  text-align: center;
  margin: 0;
}