.wp-block-cbi-header-spacer {
  -webkit-margin-before: 0 !important;
          margin-block-start: 0 !important;
  height: var(--header-height);
}

.block-editor-block-list__block.is-selected .wp-block-cbi-header-spacer {
  background: rgba(0, 0, 0, 0.05);
}