style.css

hmtl,body   {background-color:#000;color:#fff;text-align:center;font-family:verdana;}
body>div    {width:640px;height:480;position:relative;margin:auto;}
div>div     {display:none;margin:0px;position:absolute;left:0;top:0;text-align:center;width:100%;margin-top:50px;height:430px;}
div>div>span{font-size:60px}
div>div>span>span{font-size:24px;}
button      {display:block;margin:auto;font-size:17px;font-family:verdana;left:25%;width:50%;height:35px;margin-top:20px;border:none;background-color:transparent;color:#fff;}
button:hover{background-color:rgba(45,45,45,0.7);}
button.bottom{position:absolute;bottom:20px;}
button.disabled{text-decoration:line-through;}
canvas      {border:1px solid #fff;height:480px;width:640px;cursor:crosshair;}
canvas span {color:#fff;position:absolute;top:10px;}
#score      {left:10px;position:absolute;left:10px;top:10px;}
#highscore  {right:10px;position:absolute;right:10px;top:10px;}

.menu>.menu,
.game>.game,
.pause>.pause,
.highscores>.highscores,
.settings>.settings,
.controls>.controls{display:block;}

.game>.game	{cursor:crosshair;overflow:hidden;margin-top:0;height:480px;}
.game>.game>div{display:none;background-color:#ccc;position:absolute;left:0;top:0;margin:0;}
.game>.game>#vert{width:1px;height:100%;}
.game>.game>#hori{width:100%;height:1px;}

table,th,td	{width:50%;}
tr:hover	{background:rgba(45,45,45,0.7);}
th			{text-align:right;}
td			{text-align:center;}
table 		{margin:1em auto;}

#debug		{margin-top:1em;display:none;}
#debug>div	{display:block;position:static;height:auto;width:auto;margin-top:0;}
.failed		{color:#f00;}
.success	{color:#0f0;}