Assalamu alaikum,

Jazakum Allahu khayran for reporting this.

Could you please confirm whether you are using Microsoft Edge, and share your device, Windows version, and browser version?

Please also let us know the Surah and Ayah, selected Quran font/script, and translation where this happens. If possible, kindly send a screen recording showing the lines disappearing, as this will help us investigate accurately.

Quran.com Feedback Team