diff --git a/src/css/custom.css b/src/css/custom.css
index 5061e59c..acb4062a 100644
--- a/src/css/custom.css
+++ b/src/css/custom.css
@@ -350,16 +350,19 @@ body[data-rh] .redocusaurus {
   padding: 0;
   margin: 0;
   display: grid;
-  grid-template-columns: repeat(3, minmax(0, 1fr));
+  grid-template-columns: repeat(2, minmax(0, 1fr)); /* force Firefox-style */
   gap: 1rem;
 }
+
 @media (max-width: 1200px) {
   .hub-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
 }
+
 @media (max-width: 700px) {
   .hub-grid { grid-template-columns: 1fr; }
 }
 
+
 /* --- Card container --- */
 .hub-card {
   border-radius: 14px;