Update index.html

Author: stephbuon

index.html

@@ -6,7 +6,7 @@
   <meta name="viewport" content="width=device-width, initial-scale=1" />
   <style>
     :root { --max: 1100px; }
-    body { font-family: Arial, Helvetica, sans-serif; margin: 0; background:#ffffff; color:#555555; }
+    body { font-family: Arial, Helvetica, sans-serif; margin: 0; background:#ffffff; color:#0d1117; }
     header { padding: 24px; text-align:center; }
     header h1 { margin: 0 0 8px; font-size: 28px; }
     header p { margin: 0; opacity:.8 }