body{
  font-size:1.2em;
}

a.fontB{
  background:url(../image/textSizeB_over.jpg) top left no-repeat;
  width:28px;
  height:28px;
  cursor:pointer;
  display:block;
}

a.fontM{
  background:url(../image/textSizeM_out.jpg) top left no-repeat;
  width:28px;
  height:28px;
  cursor:pointer;
  display:block;
}

a.fontS{
  background:url(../image/textSizeS_out.jpg) top left no-repeat;
  width:28px;
  height:28px;
  cursor:pointer;
  display:block;
}