.w7{
  background: url("/images/windows/w7.png") no-repeat transparent;
  width: 86px;
  height: 57px;
}
.w8{
  background: url("/images/windows/w8.png") no-repeat transparent;
  width: 78px;
  height: 57px;
}
.wv{
  background: url("/images/windows/wv.png") no-repeat transparent;
  width: 79px;
  height: 57px;
}
.wxp{
  background: url("/images/windows/wxp.png") no-repeat transparent;
  width: 88px;
  height: 51px;
}
.win{
  background: url("/images/windows/win.png") no-repeat transparent;
  width: 76px;
  height: 65px;
}
.w10{
  background: url("/images/windows/w10.png") no-repeat transparent;
  width: 83px;
  height: 57px;
}
.w11{
  background: url("/images/windows/w11.png") no-repeat transparent;
  width: 83px;
  height: 55px;
}
.wins{
  background: url("/images/windows/wins.png") no-repeat transparent;
  width: 273px;
  height: 61px;
}