nostr:npub1jpp36eeycvlkkdy4d4l4lgswvf8jtdare5vly0w0sk7rc39pzgrqlyu59l nostr:npub13w74ajumt9wx050yq2r5h6rz95q8mmdqtvt9fl3e9u0f2ug6ht9srvmktw is it? https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_nesting/Using_CSS_nesting