Update tailwind.css (#87)

follow up of - intensify secondary color in platform theme
#1360

src/tailwind.css

@@ -32,7 +32,7 @@
     --primary: 222.2 47.4% 11.2%;
     --primary-foreground: 210 40% 98%;
 
-    --secondary: 210 40% 96.1%;
+    --secondary: 210 40% 90%;
     --secondary-foreground: 222.2 47.4% 11.2%;
 
     --muted: 210 40% 96.1%;