html,body{width:100%;height:100%;margin:0;overflow:hidden}canvas{border:1px solid black;display:none;margin-left:auto;margin-right:auto;position:absolute;background:transparent}#canvasBackground{background-image:url('../assets/bg.png');z-index:8}#canvasObstacles{z-index:9}#canvasPlayer,#canvasIsland{z-index:10}#canvasGrid{z-index:11}#canvasWind{z-index:12}.header{height:25px;text-align:center;margin-bottom:25px;display:none}#title,#levelNum,#levelWindDirection,.separator{font-size:48px}.separator{margin-left:15px;margin-right:15px}@keyframes ghost{0{opacity:.15}50%{opacity:.50}100%{opacity:.15}}@keyframes blow{0{left:0}50%{left:50%}100%{left:100%}}@-webkit-keyframes ghost{0{opacity:.15}50%{opacity:.50}100%{opacity:.15}}@-webkit-keyframes blow{0{left:0}50%{left:50%}100%{left:100%}}#presentation{margin-top:50px;width:860px;height:480px;background:black;position:absolute;display:none;z-index:13;color:white}#presentation .title{font-size:64px;text-align:center;margin-top:25px}#presentation .explanation{font-size:32px;text-align:center;margin-top:25px}#presentation .image{margin-top:25px;margin-left:auto;margin-right:auto;display:block}#presentation #startButton{font-size:36px;text-align:center;margin-top:25px;margin-left:auto;margin-right:auto;display:block}#information{width:860px;height:480px;background:white;position:absolute;display:none;z-index:14;color:blue;opacity:.65}#information #information_title{font-size:64px;text-align:center;margin-top:25px}#information #information_explanation{font-size:48px;text-align:center;margin-top:25px}#information #information_action{font-size:36px;text-align:center;margin-top:25px;margin-left:auto;margin-right:auto;display:block}