Prevent cards from overflowing in non-compact dialog

aleksis/apps/alsijil/frontend/components/coursebook/documentation/Documentation.vue

@@ -100,6 +100,6 @@ export default {
   gap: 1em;
 }
 .vertical {
-  grid-template-columns: 1fr;
+  grid-template-columns: minmax(0, 1fr);
 }
 </style>