logo not transparent

Author: GregorFabjan

README.md

@@ -1,7 +1,7 @@
 <div align="center">
  <a href="https://github.com/open-source-modelling" target="_blank">
  <picture>
-  <img src="images/Open-source modelling-logos_transparent.png" width=280 alt="Logo"/>
+  <img src="images/OSM_logo.jpeg" width=280 alt="Logo"/>
  </picture>
  </a>
 </div>