split workflow svg

content/index.txt

@@ -18,8 +18,11 @@ easy-to-learn Python language.  These programs define a system and calculate its
 quantum properties (conductance, density of states, etc).  This workflow can be
 summarized as follows:
 
-.. image:: kwant-workflow.svgz
-    :width: 100%
+.. raw:: html
+
+    <img src="kwant_workflow1.svgz" style="width:71%;
+    float:left; margin-right:2%">
+    <img src="kwant_workflow2.jpg" style="width:27%;">
 
 Kwant was designed to be easy to use: Section 2 of the `Kwant paper
 <http://downloads.kwant-project.org/doc/kwant-paper.pdf>`_ contains a