fix #3202: add cursor to .accordion-toggle

docs/assets/css/bootstrap.css

@@ -4777,6 +4777,10 @@ a.badge:hover {
   padding: 8px 15px;
 }
 
+.accordion-toggle {
+  cursor: pointer;
+}
+
 .accordion-inner {
   padding: 9px 15px;
   border-top: 1px solid #e5e5e5;

less/accordion.less

@@ -21,6 +21,11 @@
   padding: 8px 15px;
 }
 
+// General toggle styles
+.accordion-toggle {
+  cursor: pointer;
+}
+
 // Inner needs the styles because you can't animate properly with any styles on the element
 .accordion-inner {
   padding: 9px 15px;