html, body {
  height: 100%;
  margin: 0;
}
body {
  background: #0d1117;
  color: #e6edf3;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Noto Sans", Helvetica, Arial, sans-serif;
  overflow: hidden;
  touch-action: manipulation;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}
#game {
  width: 100vw;
  height: 100vh;
}
button {
  font: inherit;
  min-height: 48px;
}

/* Home button to return to site hub */
#homeBtn {
  position: fixed;
  top: 12px;
  left: 12px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #58a6ff;
  border: 1px solid #58a6ff;
  background: rgba(13, 17, 23, 0.6);
  text-decoration: none;
  font-size: 16px;
  line-height: 1;
  border-radius: 4px;
  box-shadow: 0 0 10px #58a6ff66;
  z-index: 2000;
}
#homeBtn:hover {
  background: rgba(13, 17, 23, 0.85);
  box-shadow: 0 0 14px #58a6ffaa;
}