chg: [documentation] Updated technical documentation.

Author: cedricbonhomme

static/documentation/_static/basic.css

@@ -48,7 +48,7 @@ div.sphinxsidebarwrapper {
 
 div.sphinxsidebar {
     float: left;
-    width: 270px;
+    width: 230px;
     margin-left: -100%;
     font-size: 90%;
     word-wrap: break-word;