uniweb: Fix Jupyter css

uniweb/templates/jupyter/my.tpl

@@ -45,11 +45,6 @@
 
 <style type="text/css">
 /* Overrides of notebook CSS for static HTML export */
-body {
-  overflow: visible;
-  padding: 8px;
-}
-
 div#notebook {
   overflow: visible;
   border-top: none;