:root {
  --mainColor: darkblue;
  --backgroundColor: rgb(6, 26, 40);
  --navButtonBackgroundColor: rgb(51, 51, 51);
  --fontColor: rgb(160, 160, 160);
  --borderRadius: 1em;

  background-color: rgb(6, 26, 40);
  background-image: linear-gradient(to bottom,
      black,
      rgb(6, 26, 40),
      darkslategrey);
  background-attachment: fixed;

  font-family: Arial, Helvetica, sans-serif;
}