.simple_attachments_add_file_div {
  cursor: pointer;
  display: inline-block;
  position: relative;
  overflow: hidden;
}
.simple_attachments_input {
  cursor: pointer;
  position: absolute;
  top: -100px;
  right: 0;
  overflow: hidden;
  opacity: 0;
  z-index: 1;
  filter: alpha(opacity=0); /* for IE */
  zoom: 1;
  font-size: 500px;
}
.simple_attachments_iframe {
  width: 0;
  height: 0;
  border: none;
}