html {
  font-family: Verdana, Tahoma, "DejaVu Sans", sans-serif; /* 1 */

  /* Delete all but one of the following font-size declarations: */

  /* Use a 12px base font size. 16px x 75% = 12px */
  font-size: 75%; /* 3 */
  /* Use a 14px base font size. 16px x .875 = 14px */
  font-size: 87.5%; /* 3 */
  /* Use a 16px base font size. */
  font-size: 100%; /* 3 */

  -ms-text-size-adjust: 100%;     /* 2 */
  -webkit-text-size-adjust: 100%; /* 2 */

  /* Establish a vertical rhythm. */
  line-height: 1.5em;