diff --git a/assets/scss/tufte.scss b/assets/scss/tufte.scss
index 057937c..3aaf9e5 100644
--- a/assets/scss/tufte.scss
+++ b/assets/scss/tufte.scss
@@ -395,6 +395,7 @@ div.supertable-wrapper > p,
 div.booktabs-wrapper {
 //    width: #{"min(55%, 770px)"};
     width: 50%;
+    align: center;
 }
 
 div.fullwidth,