div#logo_1, div#logo_2, div#logo_3, div#logo_4, div#logo_5, div#logo_6, div#logo_7, div#logo_8 {
  text-indent: -5000px;
  background-repeat: no-repeat;
  background-position: 0px 0px;
  width: 310px;
  height: 140px;
}