div.textbox {
  position: relative;
}
div.textbox.simple {
  display: inline;
}
a.modal_textbox {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  padding-top: 5px;
  opacity: 0.5;
  -moz-opacity: 0.5;
  filter: alpha(opacity=5);
}
a.modal_textbox:hover {
  opacity: 1;
  -moz-opacity: 1;
  filter: alpha(opacity=1);
}