Update light_mode_chatter_owl.css

light_mode_chatter_owl.css

@@ -89,6 +89,11 @@ h1, h2 {
   border-right: 1px solid #ddd;
 }
 
+#main-column {
+  overflow-y: auto;
+  max-height: 80vh;
+}
+
 @keyframes float {
     0% { transform: translateY(0px); }
     50% { transform: translateY(-8px); }