body,canvas,div,html{margin:0;padding:0;width:100%;height:100%}body{font-family:Poppins,sans-serif;background-color:#696950}h1{text-align:center}p.header{font-weight:700}div#title{background-color:#fff;border:5px #add8e6 dotted;padding:20px}div#main{width:100%;height:100%;margin:0 auto}div#main_instruction{background-color:#eef}div#loading_div{color:#ffc;display:none}canvas#main_game{display:block;margin:0 auto;width:100%;min-width:200px;height:auto;outline:0;-webkit-tap-highlight-color:rgba(255,255,255,0)}