body{display:none;background-color:#606060}h1{text-align:center;color:#0F3;text-shadow:3px 2px #000}p{text-shadow:2px 1px #000}#gameWindow{position:relative;margin:0 auto;width:850px;height:500px;background-image:url(levelOne.jpg);background-position:center;border:solid #0F3;overflow:hidden}#nucleus{display:none;position:absolute;z-index:1}.virus{position:absolute;z-index:2}#player{display:none;position:absolute}#introScreen{position:absolute;z-index:3;width:850px;height:500px;background-color:rgba(0,0,0,0.2)}#introScreenContent{color:#0F3;font-size:190%;width:600px;padding:50px;margin:0 auto;text-align:center}#endScreen{display:none;position:absolute;z-index:3;width:850px;height:500px;background-color:rgba(0,0,0,0.2)}#endScreenContent{color:#0F3;font-size:190%;width:600px;padding:50px;margin:0 auto;text-align:center}#btnReplay{display:none}#btnNextLevel{display:none}.button{position:absolute;top:350px;left:300px;height:40px;width:250px;z-index:3;color:#000;padding-top:8px;text-align:center;font-weight:600;font-family:"courier new";background-color:#0F9;border-radius:10px;box-shadow:inset 0 0 9px rgba(000,000,000,0.9);cursor:hand;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;-o-user-select:none;user-select:none}.button:hover{background-color:#9FC}