<style>
  /* 1. Hide everything WordPress generates (header, footer, default spacing) */
  header, footer, .wp-site-blocks > *:not(.wp-block-custom-html) {
    display: none !important;
  }
  /* 2. Remove all default padding/margins from the body and main containers */
  body, .wp-site-blocks {
    margin: 0 !important;
    padding: 0 !important;
    max-width: none !important;
  }
  /* 3. Ensure the React root container is visible and full width */
  #root {
    display: block !important;
    width: 100vw !important;
    min-height: 100vh !important;
  }
</style>