--- a/src/pyams_default_theme/viewlet/tag/templates/tags.pt	Tue Nov 27 21:37:16 2018 +0100
+++ b/src/pyams_default_theme/viewlet/tag/templates/tags.pt	Wed Nov 28 09:51:09 2018 +0100
@@ -4,7 +4,7 @@
 		<a tal:omit-tag="target is None"
 		   tal:define="href tales:absolute_url(target)"
 		   href="${href}?tag=${tag.label}">
-			<span class="label label-primary">
+			<span class="badge badge-primary">
 				#${tag.alt or tag.label}
 			</span>
 		</a>