html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #fff;
  overscroll-behavior: none;
  user-select: none;
  -webkit-user-select: none;
}

html.has-drawn-cursor,
html.has-drawn-cursor body,
html.has-drawn-cursor canvas {
  cursor: none;
}

canvas {
  display: block;
  width: 100vw;
  height: 100dvh;
  touch-action: none;
}

#chatForm {
  position: fixed;
  left: 8px;
  bottom: 8px;
  z-index: 2;
  margin: 0;
  padding: 2px;
  background: #c0c0c0;
  border: 2px outset #fff;
  font: 12px "Courier New", monospace;
}

#chatInput {
  width: min(58vw, 360px);
  font: 12px "Courier New", monospace;
}

#chatForm button {
  font: 12px "Courier New", monospace;
}