diff --git a/doc/_static/logo_cea.png b/doc/_static/logo_cea.png
index 89b29641..1a28b439 100644
Binary files a/doc/_static/logo_cea.png and b/doc/_static/logo_cea.png differ
diff --git a/doc/_static/logo_x.png b/doc/_static/logo_x.png
index 03d2c29f..18aba0bc 100644
Binary files a/doc/_static/logo_x.png and b/doc/_static/logo_x.png differ
diff --git a/doc/_templates/sideb.html b/doc/_templates/sideb.html
index 11622acf..4d2115c7 100644
--- a/doc/_templates/sideb.html
+++ b/doc/_templates/sideb.html
@@ -1,7 +1,14 @@
-<p>
+<p style="background-color:white;">
 <a href="http://ipht.cea.fr"> <img style="width: 80px; margin: 10px 5px 0 0" src='_static/logo_cea.png' alt="CEA"/> </a>
 <a href="http://www.cpht.polytechnique.fr"> <img style="width: 80px; margin: 10px 5px 0 5px" src='_static/logo_x.png' alt="Ecole Polytechnique"/> </a>
 <br>
 <a href="http://www.cnrs.fr"> <img style="width: 80px; margin: 10px 0 0 5px" src='_static/logo_cnrs.png' alt="CNRS"/> </a>
 <img style="width: 80px; margin: 10px 0 0 5px" src='_static/logo_erc.jpg' alt="ERC"/> 
+<a href="https://www.simonsfoundation.org/flatiron"> <img style="width: 200px; margin: 10px 0 0 5px" src='http://itensor.org/flatiron_logo.png' alt="Flatiron Institute"/> </a>
+<br>
+<a href="https://www.simonsfoundation.org"> <img style="width: 200px; margin: 10px 0 0 5px" src='http://itensor.org/simons_found_logo.jpg' alt="Simons Foundation"/> </a>
+</p>
+<hr>
+<p>
+<a href="https://github.com/triqs/dft_tools"> <img style="width: 50px; margin: 10px 0 0 5px" src='https://assets-cdn.github.com/images/modules/logos_page/GitHub-Mark.png' alt="Visit the project on GitHub"/> </a>
 </p>