diff --git a/tools/clog-builder-files.lisp b/tools/clog-builder-files.lisp
index 399ea92..843f27a 100644
--- a/tools/clog-builder-files.lisp
+++ b/tools/clog-builder-files.lisp
@@ -106,7 +106,7 @@
            (content   (center-panel box))
            (pac-line  (create-form-element content :text :class *builder-package-class*))
            (ace       (clog-ace:create-clog-ace-element content))
-           (status    (create-div content :class "w3-tiny w3-border"))
+           (status    (create-div content :class *builder-status-bar-class*))
            (lisp-file t)
            (is-dirty  nil)
            (last-date nil)
diff --git a/tools/clog-builder-panels.lisp b/tools/clog-builder-panels.lisp
index 21877af..011ee79 100644
--- a/tools/clog-builder-panels.lisp
+++ b/tools/clog-builder-panels.lisp
@@ -656,6 +656,7 @@ not a temporarily attached one when using select-control."
                                                        (get-control-list app panel-id)))))))
               (focus pop-win)))))
       (setf-next-id content 1)
+      (setf (css-class-name content) *builder-panel-class*)
       (setf (overflow content) :auto)
       (init-control-list app panel-id)
       ;; Setup panel window
diff --git a/tools/clog-builder-settings.lisp b/tools/clog-builder-settings.lisp
index e5958ac..72381af 100644
--- a/tools/clog-builder-settings.lisp
+++ b/tools/clog-builder-settings.lisp
@@ -48,6 +48,7 @@
 (defparameter *builder-menu-button-class* "w3-input w3-grey w3-button w3-ripple")
 (defparameter *builder-pallete-class* "w3-light-grey w3-small")
 (defparameter *builder-event-list-class* "w3-light-grey w3-small")
+(defparameter *builder-panel-class* "w3-white w3-sans-serif w3-medium")
 
 ;; Menus
 (defparameter *builder-menu-bar-class* "w3-bar w3-round w3-small w3-blue-grey w3-card-4")
@@ -59,4 +60,5 @@
 (defparameter *builder-title-class* "w3-blue-grey w3-round")
 (defparameter *builder-border-class* "w3-card-4 w3-white w3-border w3-round")
 (defparameter *builder-package-class* "w3-white w3-round")
+(defparameter *builder-status-bar-class* "w3-tiny w3-border")
 (defparameter *builder-icons-class* "w3-button w3-white w3-round w3-border w3-border-black w3-ripple")
diff --git a/tools/preferences.lisp.sample b/tools/preferences.lisp.sample
index 84ea573..1db6e82 100644
--- a/tools/preferences.lisp.sample
+++ b/tools/preferences.lisp.sample
@@ -41,6 +41,7 @@
 (setf *builder-menu-button-class* "w3-input w3-grey w3-button w3-ripple")
 (setf *builder-pallete-class* "w3-light-grey w3-small")
 (setf *builder-event-list-class* "w3-light-grey w3-small")
+(setf *builder-panel-class* "w3-white w3-sans-serif w3-medium")
 
 ;; Menus
 (setf *builder-menu-bar-class* "w3-bar w3-round w3-small w3-blue-grey w3-card-4")
@@ -52,4 +53,5 @@
 (setf *builder-title-class* "w3-blue-grey w3-round")
 (setf *builder-border-class* "w3-card-4 w3-white w3-border w3-round")
 (setf *builder-package-class* "w3-white w3-round")
+(setf *builder-status-bar-class* "w3-tiny w3-border")
 (setf *builder-icons-class* "w3-button w3-white w3-round w3-border w3-border-black w3-ripple")