a.zuschritt2,a.zuhome,a.zuschritt3,a.zuschritt4{
  text-decoration: none;
  border:0;
  padding:0;
  display: block;
  text-indent: -9999px;
  letter-spacing: -9999px;
  font-size:0;
  width: 380px;
  height:70px;
}

a.zu4open,a.zu4close{
  text-decoration: none;
  border:0;
  margin:0px;

  padding:0;
  display: block;
  text-indent: -9999px;
  letter-spacing: -9999px;
  font-size:0;
  width: 250px;
  height:30px;
}

a.zu4open           {background: url("../pics/buttons/oeffnen.png") 0 0 no-repeat;}
a.zu4open:hover     {background-position:bottom}

a.zu4close           {background: url("../pics/buttons/schliessen.png") 0 0 no-repeat;}
a.zu4close:hover     {background-position:bottom}

a.zuschritt4        {background: url("../pics/buttons/zuschritt4.png") 0 0 no-repeat;}
a.zuschritt4:hover  {background-position:bottom}

a.zuschritt3        {background: url("../pics/buttons/zuschritt3.png") 0 0 no-repeat;}
a.zuschritt3:hover  {background-position:bottom}

a.zuschritt2        {background: url("../pics/buttons/zuschritt2.png") 0 0 no-repeat;}
a.zuschritt2:hover  {background-position:bottom}

a.zuhome            {background: url("../pics/buttons/zuhome.png") 0 0 no-repeat;}
a.zuhome:hover      {background-position:bottom}