:root {
  color-scheme: dark;
  background: #11251c;
}
* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
#game-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
#login-link {
  position: fixed;
  top: 48px;
  right: 24px;
  border: 1px solid #b7d965;
  border-radius: 6px;
  padding: 7px 11px;
  color: #162419;
  background: #b7d965;
  font: 600 12px sans-serif;
  text-decoration: none;
}
#login-link:hover {
  background: #d2ed8c;
}