better glacier focus color

Author: mbostock

src/style/theme-glacier.css

@@ -2,6 +2,6 @@
 
 :root {
   --theme-foreground: #1c3957;
-  --theme-foreground-focus: #003a7d;
+  --theme-foreground-focus: #d75c48;
   --theme-background-a: #f4faff;
 }