html, body {
  margin: 0;
  height: 100%;
  background: #000;
  overflow: hidden;
}

body {
  overscroll-behavior: none;
  touch-action: none;
}

#intro {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

#ascii {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  margin: 0;
  color: #fff;
  font-family: ui-monospace, Menlo, Consolas, "Courier New", monospace;
  white-space: pre;
  opacity: 0;
  transition: opacity 0.15s linear;
  user-select: none;
  pointer-events: none;
}

#ascii.on {
  opacity: 1;
}

/* No-JS fallback: the original static page. */
.fallback {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  color: #fff;
  font-family: "Roboto", sans-serif;
  font-weight: 700;
  font-size: 72px;
}