diff --git a/theme/static/css/main.css b/theme/static/css/main.css
index 9009453..4585fa5 100644
--- a/theme/static/css/main.css
+++ b/theme/static/css/main.css
@@ -338,4 +338,5 @@ li.tag-4 { font-size: 110%; margin: 0 1em; }
 .align-center > * {
     display: block;
     margin: auto;
+    text-align: center;
 }