Added corner styling reset to collapsible CSS to avoid conflicts when an enhanced collapsible is appended to a set.

Author: jaspermdegroot

css/structure/jquery.mobile.collapsible.css

@@ -28,6 +28,10 @@
 .ui-collapsible-content-collapsed { display: none; }
 
 /* Corner styling */
+.ui-collapsible-set > .ui-collapsible.ui-corner-all {
+	-webkit-border-radius: 0;
+	border-radius: 0;
+}
 .ui-collapsible-heading,
 .ui-collapsible-heading > .ui-btn {
 	-webkit-border-radius: inherit;