Roo/bootstrap/Container.js

diff --git a/Roo/bootstrap/Container.js b/Roo/bootstrap/Container.js
index fe8d0ec..eb72a32 100644 (file)
--- a/Roo/bootstrap/Container.js
+++ b/Roo/bootstrap/Container.js
@@ -145,6 +145,9 @@ Roo.extend(Roo.bootstrap.Container, Roo.bootstrap.Component,  {
                 var h = [];
                 
                 if(this.expandable){
+                    
+                    cfg.cls = cfg.cls + ' expandable';
+                    
                     h.push({
                         tag: 'i',
                         cls: 'fa fa-minus'