.test { background-position: 100% 0%; }
   .case.r8 .test { background-position: 108px top; }
   .case.r9 .test { background-position: 108px 0; }
   .case.r10 .test { background-position: 108px 0px; }
   .case.r11 .test { background-position: 108px 0%; }

   .negative .control { background-position: 0% 0%; }
   .negative3 .control { background-position: 50% 50%; } /* CSS3 background supports comma */
   .case.t1 .test { background-position: right bottom bottom; }
   .case.t2 .test { background-position: bot