Fix search facet table styling - bug in chrome

https://fedorahosted.org/freeipa/ticket/3904

install/ui/ipa.css

@@ -388,6 +388,8 @@ div[name=settings].facet-group li a {
     position: relative;
     width: 100%;
     height: 100%;
+    border-collapse: separate;
+    border-spacing: 1px;
 }
 
 .content-table thead {