.sup{text-align:center;color:#fff;font-family:Galindo;margin-top:20px}h2{font-weight:700}body{background-color:#383838}.board{position:absolute;left:0;right:0;margin-left:auto;margin-right:auto;margin-top:20px;width:450px;height:450px}.square{width:150px;height:150px;padding:0;border:1px solid white;border-radius:0;font-family:Galindo;font-size:50px;color:#fff}.sup button{margin-top:5px}.btn.disabled,.btn:disabled,fieldset:disabled .btn{color:#ffca2c;border-color:#a9a9a9}.msg{font-family:Galindo;color:#fff;text-align:center;margin-top:500px;font-size:25px}strong{color:#ffca2c}.line{color:green}