overflow: visible; when collapsible open

Created by: jamiescript

docs/assets/css/bootstrap.css

@@ -1943,6 +1943,7 @@ fieldset[disabled] .btn-link:focus {
 
 .collapse.in {
   height: auto;
+  overflow: visible;
 }
 
 @font-face {

less/component-animations.less

@@ -29,4 +29,5 @@
 }
 .collapse.in {
   height: auto;
+  overflow: visible;
 }