Image of three custom { -brand-name-firefox } themes: a dark purple and pink theme with white and orange accents, a light beige theme featuring a watercolor painting of birds and cherry blossoms, and a dark black and green theme featuring a high-tech circuitry pattern.
Delwedd o dair thema cyfaddas { -brand-name-firefox }: thema porffor a phinc tywyll gydag acenion gwyn ac oren, thema llwydfelyn golau yn cynnwys paentiad dyfrlliw o adar a blodau ceirios, a thema du a gwyrdd tywyll yn cynnwys patrwm cylchedwaith technoleg uchel.