proximity-structures/css/style.css

* {
    padding: 0;
    margin: 0;
}

html {
    overflow: hidden;
}

#help {
  display: flex;
  justify-content: center;
  background-color: black;
  color: white;
  position: absolute;
  top: 0;
  left: 0;
}

#help table {
  color: white;
}