html, body {
  background-color:#3f3f3f;
  color:#000000;

  max-width:640px;
  max-height:720px;
  margin: auto;
}

canvas
{
  padding-left: 0;
  padding-right: 0;
  margin-left: auto;
  margin-right: auto;
  display: block;
  background-color:#3f3f3f;
}

#gamepad {
  position:fixed;
  bottom:0px;
}

@media only screen and (max-width: 700px)
{
  body{
    left:0px;
    margin:0;
    overflow-x: hidden;
  }
}
/*Firefox is an arsehole*/
@-moz-document url-prefix() {
  #gamepad{position:relative}
}