.button1, .button2, .button3, .button4 , .button5, .button6, .button7, .button8, .button8, .button9, .button10, 
.button11, .button12, .button13, .button14, .button15, .button16, .button17, .button18, .button19, .button20
 {
  height: 28px;
  display: block;
  border: 0;
  padding:0;
  text-decoration: none;
  background-repeat: no-repeat;
  overflow: hidden;
  background-position: left;
}

.button1, .button2, .button3, .button4 , .button5, .button11, .button12, .button13, .button14, .button15 {
  width: 167px;
}

.button6, .button7, .button8, .button8, .button9, .button10, .button16, .button17, .button18, .button19, .button20 {
  width: 189px;
}

.button1:hover, .button2:hover, .button3:hover, .button4:hover, .button5:hover,
.button6:hover, .button7:hover, .button8:hover, .button9:hover, .button10:hover,
.button11:hover, .button12:hover, .button13:hover, .button14:hover, .button15:hover,
.button16:hover, .button17:hover, .button18:hover, .button19:hover, .button20:hover, .button_selected {
  background-position: right;
}

.button1 {background-image: url(../images/spree/1.jpg);}
.button2 {background-image: url(../images/spree/2.jpg);}
.button3 {background-image: url(../images/spree/3.jpg);}
.button4 {background-image: url(../images/spree/4.jpg);}
.button5 {background-image: url(../images/spree/5.jpg);}
.button6 {background-image: url(../images/spree/6.jpg);}
.button7 {background-image: url(../images/spree/7.jpg);}
.button8 {background-image: url(../images/spree/8.jpg);}
.button9 {background-image: url(../images/spree/9.jpg);}
.button10 {background-image: url(../images/spree/10.jpg);}
.button11 {background-image: url(../images/spree/en/navi/1.jpg);}
.button12 {background-image: url(../images/spree/en/navi/2.jpg);}
.button13 {background-image: url(../images/spree/en/navi/3.jpg);}
.button14 {background-image: url(../images/spree/en/navi/4.jpg);}
.button15 {background-image: url(../images/spree/en/navi/5.jpg);}
.button16 {background-image: url(../images/spree/en/navi/6.jpg);}
.button17 {background-image: url(../images/spree/en/navi/7.jpg);}
.button18 {background-image: url(../images/spree/en/navi/8.jpg);}
.button19 {background-image: url(../images/spree/en/navi/9.jpg);}
.button20 {background-image: url(../images/spree/en/navi/10.jpg);}