diff --git a/media/css/reader.css b/media/css/reader.css
index 84f3a3837..23e16aa1e 100644
--- a/media/css/reader.css
+++ b/media/css/reader.css
@@ -4898,13 +4898,13 @@ form.opml_import_form input {
     position: relative;
     padding: 5px 8px 4px;
 }
-.NB-narrow .NB-intelligence-slider .NB-intelligence-slider-blue .NB-intelligence-label {
+.NB-narrow-pane-blue .NB-intelligence-slider .NB-intelligence-slider-blue .NB-intelligence-label {
     display: none;
 }
-.NB-narrow .NB-intelligence-slider .NB-intelligence-slider-green .NB-intelligence-label {
+.NB-narrow-pane-green .NB-intelligence-slider .NB-intelligence-slider-green .NB-intelligence-label {
     display: none;
 }
-.NB-extra-narrow .NB-intelligence-slider .NB-intelligence-slider-yellow .NB-intelligence-label {
+.NB-narrow-pane-yellow .NB-intelligence-slider .NB-intelligence-slider-yellow .NB-intelligence-label {
     display: none;
 }
 .NB-intelligence-slider img {
@@ -4919,13 +4919,13 @@ form.opml_import_form input {
     height: 12px;
     margin: -1px 5px -1px 0px;
 }
-.NB-narrow .NB-intelligence-slider .NB-intelligence-slider-green img {
+.NB-narrow-pane-green .NB-intelligence-slider .NB-intelligence-slider-green img {
     margin: 1px 6px 2px;
 }
-.NB-narrow .NB-intelligence-slider .NB-intelligence-slider-blue img {
+.NB-narrow-pane-blue .NB-intelligence-slider .NB-intelligence-slider-blue img {
     margin: -1px 4px 0px;
 }
-.NB-extra-narrow .NB-intelligence-slider .NB-intelligence-slider-yellow img {
+.NB-narrow-pane-yellow .NB-intelligence-slider .NB-intelligence-slider-yellow img {
     margin: 1px 6px 2px;
 }
 
diff --git a/media/js/newsblur/reader/reader.js b/media/js/newsblur/reader/reader.js
index 28d8d3578..96f35acc4 100644
--- a/media/js/newsblur/reader/reader.js
+++ b/media/js/newsblur/reader/reader.js
@@ -237,8 +237,10 @@
             }
             
             var pane = this.layout.outerLayout.panes.west;
-            pane.toggleClass("NB-narrow", this.layout.outerLayout.state.west.size < 290);
-            pane.toggleClass("NB-extra-narrow", this.layout.outerLayout.state.west.size < 238);
+            var width = this.layout.outerLayout.state.west.size;
+            pane.toggleClass("NB-narrow-pane-blue", width < 290);
+            pane.toggleClass("NB-narrow-pane-green", width < 254);
+            pane.toggleClass("NB-narrow-pane-yellow", width < 236);
             
             this.apply_tipsy_titles();
         },
diff --git a/templates/base.html b/templates/base.html
index a336fdd98..e8c8217f1 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -34,7 +34,7 @@
     NEWSBLUR.Preferences = {
       'unread_view'             : 0,
       'lock_mouse_indicator'    : 100,
-      'feed_pane_size'          : {% firstof user_profile.feed_pane_size 242 %},
+      'feed_pane_size'          : {% firstof user_profile.feed_pane_size 258 %},
       'hide_getting_started'    : {{ user_profile.hide_getting_started|yesno:"true,false" }},
       'has_setup_feeds'         : {{ user_profile.has_setup_feeds|yesno:"true,false" }},
       'has_found_friends'       : {{ user_profile.has_found_friends|yesno:"true,false" }},