add spacing to buttons using list-inline on mobile view

Created by: flora8984461

Fix #199 (closed)

Signed-off-by: Yi Liu yi.liu@eclipse-foundation.org

less/_components/classes-padding-margin.less

@@ -577,4 +577,12 @@
// don't want it.
.breadcrumbs-default-margin{
margin-bottom:20px;
+}
+
+.list-inline-xs-margin {
+  @media (max-width: @screen-xs-max) {
+    a.btn {
+      margin-bottom:5px;
+    }
+  }
}
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