div.blockcontent-content {
  position: relative;
}

div.blockcontent-edit-link {
  position: absolute;
  top: 1px;
  right: 5px;
  width: 16px;
  height: 18px;
  background-image: url('blockcontent-icon-edit.gif');
  background-repeat: no-repeat;
}

div.blockcontent-edit-link a {
  display: block;
  height: 100%;
  text-indent: -5000px;
  outline: none;
}