Firefox has any specific logo for add-ons like Chrome Web Store

[abtraju]

Please check the below URL chrome web store branding guideline.

https://developer.chrome.com/webstore/branding

[freaktechnik (Martin Giger)]

See https://blog.mozilla.org/addons/2015/11/10/promote-your-add-ons-with-the-get-the-add-on-button/

(also linked in the “Promote” section of the developer hub)