diff --git a/www/css/ui.css b/www/css/ui.css
index 4641b26..d21534c 100644
--- a/www/css/ui.css
+++ b/www/css/ui.css
@@ -79,7 +79,7 @@ main>table.list td>canvas {
     position: relative;
     width: 8em;
     height: 2em;
-    margin: 0 -1rem 0 -1rem;
+    margin: 0 -1.5rem 0 -1.5rem;
 }
 
 main>article{