:root {
    --color-1: #000000;
    --color-2: #0292b7;
    --color-3: #bfbfbf;
    --color-4: #cccccc;
    --color-5: #ffffff;
    --footer-bg: url(https://www.grupopportunitytravel.com/wp-content/uploads/2025/08/promenade.jpg);
  }