* { box-sizing: border-box; }

html {
  background: url(hobbithole.jpeg) no-repeat center center fixed;
  background-size: cover;
}

body { margin: 0; padding: 0; }

text { font: 20px sans-serif; }

.title {
  position: absolute;
  width: 100%;
  display: flex;
  justify-content: center;
  color: white;
  font-size: 24px;
  font-weight: 600;
  text-shadow: 2px 2px 2px black;
  padding: 10px;
}

.overlay {
  position: absolute;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.1);
  z-index: -1;
}

.node text {
  pointer-events: none;
  font: 16px sans-serif;
}