diff --git a/web/src/components/SolverOutput.svelte b/web/src/components/SolverOutput.svelte
index eef1323..248c603 100644
--- a/web/src/components/SolverOutput.svelte
+++ b/web/src/components/SolverOutput.svelte
@@ -101,7 +101,7 @@
         </table>
     </div>
 {:catch e}
-    <div class="rounded-lg border border-red-200 bg-red-50 p-4 text-red-700">
+    <div class="rounded-lg border border-red-400 bg-gray-800 p-4 text-red-400">
         {e}
     </div>
 {/await}