Improved error notifications

src-ui/src/theme.scss

@@ -249,6 +249,10 @@ $form-check-radio-checked-bg-image-dark: url("data:image/svg+xml,<svg xmlns='htt
     color: var(--pngx-primary-text-contrast);
   }
 
+  .toast .btn-outline-dark:hover {
+    color: var(--bs-body-color)
+  }
+
   .dropdown-menu {
     --bs-dropdown-color: var(--bs-body-color);
   }