diff --git a/data/style.css b/data/style.css
index 639e1b50..bf88c2c1 100644
--- a/data/style.css
+++ b/data/style.css
@@ -360,14 +360,14 @@ button:hover {
 }
 
 .value {
-  fill: #666;
+  fill: var(--font-color);
   font-family: sans-serif;
   font-size: 0.7em;
   text-anchor: middle;
 }
 
 .unit {
-  fill: #666;
+  fill: var(--font-color);
   font-family: sans-serif;
   font-size: 0.3em;
   text-anchor: middle;
diff --git a/data/style.css.gz b/data/style.css.gz
index c8b3db1f..7686d9fd 100644
Binary files a/data/style.css.gz and b/data/style.css.gz differ