html, body {
  width: 100%;
  height: 100%;
  min-height: 100%;
  margin: 0;
  overflow: hidden;
  background: #2c3e50;
}

#game-shell {
  position: relative;
  width: 100%;
  height: min(150vw, 100vh);
  max-height: 960px;
  overflow: hidden;
}

#canvas { touch-action: none; outline: none; }
#canvas:focus-visible { outline: 3px solid #f1c40f; outline-offset: -5px; }

#jdp-share-score {
  min-height: 34px;
  padding: 7px 12px;
  border: 0;
  border-radius: 4px;
  background: #3498db;
  color: #fff;
  font: 700 12px Arial, sans-serif;
  cursor: pointer;
}

#license-link {
  position: fixed;
  z-index: 20;
  right: 10px;
  bottom: 8px;
  color: #dfeafb;
  font: 11px Arial, sans-serif;
  opacity: .74;
}