Updated Mighty logo

Author: s1hofmann

README.md

@@ -43,7 +43,8 @@ A huge **"Thank you!"** goes out to all sponsors who make open source a bit more
 
 <hr/>
 
-[<img src="https://assets.website-files.com/605cf560c1c73e1ee595cfc6/606dfb230819094a11f18055_mighty-logo.svg" height="75" style="background-color: lightgray;"/>](https://www.mightyapp.com)
+[<img src="https://github.com/nut-tree/nut.js/raw/develop/.gfx/sponsors/mighty.svg" alt="Mighty browser logo"/>](Mighty Browser)
+
 
 # Demo