WordPress/wp-includes/css/dist/reusable-blocks/style.css

:root{
  --wp-admin-theme-color:#007cba;
  --wp-admin-theme-color--rgb:0, 124, 186;
  --wp-admin-theme-color-darker-10:#006ba1;
  --wp-admin-theme-color-darker-10--rgb:0, 107, 161;
  --wp-admin-theme-color-darker-20:#005a87;
  --wp-admin-theme-color-darker-20--rgb:0, 90, 135;
  --wp-admin-border-width-focus:2px;
  --wp-block-synced-color:#7a00df;
  --wp-block-synced-color--rgb:122, 0, 223;
}
@media (min-resolution:192dpi){
  :root{
    --wp-admin-border-width-focus:1.5px;
  }
}

.reusable-blocks-menu-items__convert-modal{
  z-index:1000001;
}