diff --git a/style/main.css b/style/main.css
index 04f9383..fa14244 100644
--- a/style/main.css
+++ b/style/main.css
@@ -861,6 +861,10 @@ textarea:focus {
   padding: 0.75rem 1.4rem;
   cursor: pointer;
   transition: filter 120ms, transform 120ms;
+  /* A gateway alternative renders this as an <a> (navigation, no POST);
+     kill the link chrome so it reads as the button it looks like. */
+  text-decoration: none;
+  display: inline-block;
 }
 
 .alt-submit:hover {