diff --git a/public_html/index.html b/public_html/index.html
index 0244774..16fd309 100644
--- a/public_html/index.html
+++ b/public_html/index.html
@@ -81,6 +81,10 @@
     display:grid;
     grid-template-columns:max-content max-content;
     justify-content:start;
+    align-items:baseline;   /* a label and its number share a baseline whatever
+                               the system font does to the two cells' metrics —
+                               the default stretches them instead, which only
+                               lines up while both measure exactly the same */
     gap:3px 8px;
     order:-1;
     font-size:clamp(13px,3.7vw,20px);
diff --git a/public_html/sw.js b/public_html/sw.js
index ddf8fef..39dfb23 100644
--- a/public_html/sw.js
+++ b/public_html/sw.js
@@ -1,5 +1,5 @@
 /* Cache-first: once installed the clock never touches the network again. */
-const CACHE = "bgclock-v8";
+const CACHE = "bgclock-v9";
 const FILES = [
   "./",
   "./index.html",