diff --git a/quirks.bs b/quirks.bs
index 9ac7f54..ab3b267 100644
--- a/quirks.bs
+++ b/quirks.bs
@@ -85,8 +85,8 @@ spec:html
 </pre>
 
 <style>
- .logo { position:absolute; top:1em; right:1em; width:106px; height:106px; border:1px outset gray; margin-top:-4px; margin-right:-4px }
- div.head .logo > img { top:2px; right:2px; border:1px inset gray }
+ .logo { position:absolute; top:1em; right:1em; width:106px; height:106px; border:1px outset black; margin-top:-4px; margin-right:-4px }
+ div.head .logo > img { margin:2px; border:1px inset black }
  @media (max-width: 767px) {
   .logo { width:calc(4em + 6px); height:calc(4em + 6px) }
  }