.icon-arrow-left
{
  background-image:url('/css/glyphicons/png/glyphicons-211-arrow-left.png');
  width:20px;
  height:18px;

}

.icon-arrow-right
{
  background-image:url('/css/glyphicons/png/glyphicons-212-arrow-right.png');
  width:20px;
  height:18px;

}