Tweak style

public/css/app.css

@@ -10,3 +10,15 @@
 .no-style:focus {
     outline: none;
 }
+
+.grid-4 {
+    display: grid;
+    grid-template-columns: repeat(3, 1fr);
+    gap: 1rem;
+}
+
+@media (max-width: 992px) {
+    .grid-4 {
+        grid-template-columns: 1fr;
+    }
+}