Adapted the padding due to the font-size modification

src/static/css/iframe_editor.css

@@ -38,6 +38,10 @@ body.grayedout { background-color: #eee !important }
   color: black;
 }
 
+.innerdocbody>div{
+  padding: 1px;
+}
+
 body.doesWrap {
   /* white-space: pre-wrap; */
 

src/static/css/pad.css

@@ -3,8 +3,9 @@ html,
 body,
 p {
   margin: 0;
-  padding: 0;
+  padding: 0px;
 }
+
 .clear {
   clear: both
 }