Hide element but remain available to assistive technology.

utli.css

.AccessibleOnly {
  clip: rect(1px 1px 1px 1px); /* IE 6/7 */
  clip: rect(1px, 1px, 1px, 1px);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap; /* added line */
  width: 1px;
}