#button0 {position:absolute; visibility: hidden; left:10px; top:1px; width:10px; height:15px; z-index:1}
#button1 {position:absolute; visibility: hidden; left:10px; top:12px; width:10px; height:15px; z-index:1}
#button2 {position:absolute; visibility: hidden; left:10px; top:37px; width:10px; height:15px; z-index:1}
#button3 {position:absolute; visibility: hidden; left:10px; top:62px; width:10px; height:15px; z-index:1}
#button4 {position:absolute; visibility: hidden; left:10px; top:87px; width:10px; height:15px; z-index:1}
#button5 {position:absolute; visibility: hidden; left:10px; top:112px; width:10px; height:15px; z-index:1}