:root {
  --color-black: #000000;
  --color-white: #ffffff;

  --color-background: var(--color-white);
  --color-text: var(--color-black);
}

html,
body {
  background: var(--color-background);

  color: var(--color-text);

  font-family: monospace;
}

.footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;

  text-align: center;
}