.rotaryswitchPlugin {
  position: relative;
  width: 85px;
  height: 85px;
  margin-top:22px;
  display:inline-block; /*dadurch wird es als Inline element behandelt und horizontal zentriert durch text-align-center*/
  cursor: pointer;  
}
.custom {background: url(theme/knob_dark_small.png) no-repeat;}
.custom .switch{width:100%; height:100%; background: url(theme/line_blue_small.png) no-repeat;}
.rotaryswitchPlugin .mark-container {
  position: absolute;
  left: 36%;
  top: 38%;
  margin: -1px 0 0 0;
  width: 25px;
  height: 25px;
}
.mark{
    width:3px;
    height:3px;
    background-color:black;
    display:inline-block;
    margin-top:8px;
    
}
@media only screen and (max-device-width: 480px){
    .rotaryswitchPlugin .mark-container{
        left:42%;
        top:42%;
        width:15px;
        height:15px;
    }
}