:where(.is-layout-flow) > .wp-block-group,
:where(.is-layout-flow) > .wp-block-fsb-flexible-spacer,
:where(.is-layout-constrained) > .wp-block-fsb-flexible-spacer,
:where(.is-layout-constrained) > .breadcrumbs,
:where(.wp-site-blocks) > * {
  margin-top: 0;
}

.wp-block-fsb-flexible-spacer.fsb-flexible-spacer + * {
  margin-top: 0 !important;
}