function setup() {
  // Initialize the game Runner.
  runner = new Runner('.game', {
    DINO_COUNT:10,
    onReset: handleReset,
    onCrash: handleCrash,
    onRunning: handleRunning
  });
  // Set runner as a global variable if you need runtime debugging.
  window.runner = runner;
  // console.info(runner)
  // Initialize everything in the game and start the game.
  runner.init();
}