#gameUI {
  display: block;
  margin:auto;
  width: 800px;
  background: white;
  text-align: center;
}


#gameCanvas {
  margin: auto;
  display: block;
  background: url("../images/road.png") no-repeat;
  background-attachment: fixed;
  background-size: 100% 100%;
  background-color: white;
}

button {
  font-size: large;
}