body.light {
    background-color: #fff8dc;
    color: #000;
  }
  body.dark {
    background-color: #1c1c1c;
    color: #f0e68c;
  }
  body.dark .main-header {
    background-color: #2e2e2e;
  }
  body.dark .rss-item, body.dark .receta-box, body.dark .crear-box {
    background-color: #333;
    border-color: #f0e68c;
    color: #f0e68c;
  }
  body.dark .theme-switcher button {
    background-color: #8b0000;
  }
  body.dark .rss-item p{
    color: #f0e68c;
  }
  body.dark .rss-item a{
    color: #c2cce9;
  }