body {
  margin: 0;
  padding: 0;
  background-color: #000000;
}
#gameDiv {
  width: 320px;
  margin: 70px auto;
}
#footer {
  position: absolute;
  bottom: 10px;
  margin: 0px auto;
  text-align: center;
  width: 100%;
}
#notice {
  color: #339999;
}
#sourceLink {
  display: inline-block;
  text-decoration: none;
  color: #339999;
}
#sourceLink:visited {
  color: #339999;
  text-decoration: none;
}