.button1, .button2, .button3, .button4, .button5 , .button6 , .button7 , .button8 , .button9   {
  width: 146px;
  height:199px;
  display: block;
  border: 0;
  padding:0;
  text-decoration: none;
  background-repeat: no-repeat;
  overflow: hidden;
  background-position: left;
}
.button1:hover, .button2:hover, .button3:hover, .button4:hover, .button4_2:hover, .button5:hover, .button6:hover, .button7:hover, .button8:hover, .button9:hover, .active {
  background-position: right;
  text-decoration: none;
}

.button1 {background-image: url(../images/navigation/startseite.jpg); height: 15px;}
.button2 {background-image: url(../images/navigation/historie.jpg); height: 22px;}
.button3 {background-image: url(../images/navigation/rahmungen.jpg); height: 21px;}
.button4 {background-image: url(../images/navigation/bilder.jpg); height: 23px;}
.button5 {background-image: url(../images/navigation/schliff.jpg); height: 22px;}
.button6 {background-image: url(../images/navigation/galerieschienen.jpg); height: 21px;}
.button7 {background-image: url(../images/navigation/links.jpg); height: 23px;}
.button8 {background-image: url(../images/navigation/kontakt-anfahrt.jpg); height: 36px;}
.button9 {background-image: url(../images/navigation/impressum.jpg); height: 16px;}