body{margin:0px;padding:0px;width:1000px}
.main{background-color:#78d0fc;font-family:Arial,sans-serif;color:#000000}
.content{padding:10px}
.field{position:absolute;top:0px;left:0px;width:800px;height:450px;border:1px solid #000000;z-index:0;cursor:crosshair;background-color:#78d0fc}
.blind{position:absolute;top:0px;left:802px;width:100px;height:500px;z-index:3;background-color:#ffffff}
.ufo{position:absolute;z-index:2;cursor:crosshair}
.control{position:absolute;top:449px;width:800px;text-align:center;font-family:Arial,sans-serif;font-size:12px;z-index:3;background-color:#ffdd00;border:1px solid #000000}
.output{width:50px;text-align:right}
.output2{width:50px;text-align:right;font-weight:bold}