diff --git a/theme/pdf/pdf.css b/theme/pdf/pdf.css
index 4a533a96..109bd29f 100644
--- a/theme/pdf/pdf.css
+++ b/theme/pdf/pdf.css
@@ -8,6 +8,9 @@ pre[data-type="programlisting"] {
   text-align: left;
 }
 
+/*hack to align sidebars to top of page*/
+.less_space {margin-top: 0 !important;}
+
 /*----Uncomment to temporarily turn on code-eyballer highlighting (make sure to recomment after you build)
 
 pre {