diff --git a/docs/index.md b/docs/index.md
index 8308f3c..4259b2a 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -18,10 +18,11 @@ Here Deployment and main functionalities of the ELIXIR Beacon Network are explai
 
 ### Collaborators:
 
-<img src="img/biysc_bsc_logo.jpg.png" height="50px"/><img src="img/biysc_crg_logo.jpg.png" height="60px"/>
-<img src="img/csc.png" height="60px"/>
-<img src="img/PN013300-logo.inb_.rgb_.hor_.en_.cutted_0_488.png" height="60px"/>
-<img src="img/SIB_logo.jpg" height="60px"/>
-<img src="img/University_of_Zurich_seal.svg.png" height="60px"/>
-<img src="img/ELIXIR_logo_white_background.png" height="60px"/>
-<img src="img/europe.png" height="60px"/>
+![](img/biysc_bsc_logo.jpg.png){: style="width: 150px" }
+![](img/biysc_crg_logo.jpg.png){: style="width: 100px" }
+![](img/csc.png){: style="width: 100px" }
+![](img/PN013300-logo.inb_.rgb_.hor_.en_.cutted_0_488.png){: style="width: 100px" }
+![](img/SIB_logo.jpg){: style="width: 100px" }
+![](img/University_of_Zurich_seal.svg.png){: style="width: 50px" }
+![](img/ELIXIR_logo_white_background.png){: style="width: 100px" }
+![](img/europe.png){: style="width: 100px" }
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