diff --git a/js/info.css b/js/info.css
index 4651cfd9f0..b7ca96a561 100644
--- a/js/info.css
+++ b/js/info.css
@@ -2,14 +2,22 @@
 | Sub pages  |
 `-----------*/
 
+body.in-iframe, div[node]#index {
+    padding: 0px 0.5em;
+}
+div.node {
+    padding-left: 1em;
+}
+
 div[node] {
     left: 25%;
     width: 75%;
+    box-sizing: border-box;
     height: auto;
     top: 0pt;
     bottom: 0pt;
     position: absolute;
-    overflow: hidden;
+    overflow: auto;
 }
 
 div[node][hidden] {
@@ -17,8 +25,8 @@ div[node][hidden] {
 }
 
 /* Non-iframed main page */
-div[node]#index {
-    overflow: auto
+body.in-iframe {
+    margin: 0px;
 }
 
 /* Iframed sub pages */
diff --git a/js/info.js b/js/info.js
index 31936346ae..dcedcdb441 100644
--- a/js/info.js
+++ b/js/info.js
@@ -1312,6 +1312,7 @@
     function
     on_load ()
     {
+      document.body.classList.add ("in-iframe");
       fix_links (document.links);
       var links = {};
       var linkid = basename (window.location.pathname, /[.]x?html$/);