Adjust object group card sizing

styles/23-patterns-object-group-card.css

@@ -10,6 +10,13 @@
   flex: 1 1 var(--layout-object-group-card-min-width);
   min-width: var(--layout-object-group-card-min-width);
   max-width: var(--layout-object-group-card-max-width);
+  height: var(--layout-object-group-card-height);
+}
+
+@media (max-width: 767px) {
+  .sg-object-card[data-pattern="object-group-card"] {
+    height: auto;
+  }
 }
 
 .sg-object-group-card__hint {