*{font-family:monospace}body{margin:0;height:100vh;background-color:#ccc;display:flex;flex:1 1 auto;flex-direction:column}h1{text-align:center;font-size:3em}.container{display:flex;justify-content:center}.game{position:absolute}.hide{display:none}#debug,#stats{position:absolute;color:#fff}#stats{width:100%;top:0}#time{text-align:center;font-size:4em}#new,#old{right:0;top:0;position:absolute;padding:10px;font-size:2em}#debug{padding:10px;bottom:0}#music{position:absolute;right:0;bottom:3px}.off{text-decoration:line-through}.popup{position:absolute;top:50%;width:100%;text-align:center}.btn{padding:10px 20px;border:0;font-family:monospace;font-size:2em}