[#6834] Added missing minus icon class
diff --git a/Allura/allura/nf/allura/css/allura.css b/Allura/allura/nf/allura/css/allura.css
index ddf27cc..b7579bf 100644
--- a/Allura/allura/nf/allura/css/allura.css
+++ b/Allura/allura/nf/allura/css/allura.css
@@ -45,6 +45,8 @@
 b.ico.ico-search { background-position: -160px -112px; }
 b.ico.ico-admin { background-position: -192px -112px; }
 b.ico.ico-plus { background-position: -16px -128px; }
+b.ico.ico-minus { background-position: -48px -128px; }
+b.ico.ico-minuscirc { background-position: -48px -128px; }
 b.ico.ico-undelete { background-position: 0px -64px; }
 b.ico.ico-delete { background-position: -80px -128px; }
 b.ico.ico-help { background-position: -48px -144px; }