diff --git a/modoboa/extensions/webmail/static/webmail/css/webmail.css b/modoboa/extensions/webmail/static/webmail/css/webmail.css
index 8d8ef71c8..f20be4383 100644
--- a/modoboa/extensions/webmail/static/webmail/css/webmail.css
+++ b/modoboa/extensions/webmail/static/webmail/css/webmail.css
@@ -121,8 +121,8 @@ td[name="date"] {
 }
 
 #quotabar {
-    margin: 15px 0 0 15px;
-    width: 200px;
+    margin: 15px 0 0;
+    width: 190px;
 }
 
 #quotaraw {
diff --git a/modoboa/lib/templatetags/lib_tags.py b/modoboa/lib/templatetags/lib_tags.py
index 7d8b4f7a9..35cd4e02e 100644
--- a/modoboa/lib/templatetags/lib_tags.py
+++ b/modoboa/lib/templatetags/lib_tags.py
@@ -137,9 +137,9 @@ class="{{ mdclass }}{% if link.class %} {{ link.class }}{% endif %}"
 def progress_color(value):
     value = int(value)
     if value < 50:
-        return "progress-bar-success"
+        return "progress-bar progress-bar-primary"
     if value < 80:
-        return "progress-bar-warning"
+        return "progress-bar progress-bar-warning"
     return "progress-bar-danger"