@property --background-color {
  syntax: '<color>';
  inherits: false;
  initial-value: white;
}

:root {
  interpolate-size: allow-keywords;
  --theme-color-navy: #00003D;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;

  --background-color: white;
}