fix styling for table filters th border

src/components/cards/CardsOverview.svelte

@@ -54,7 +54,7 @@
     bind:runner
     bind:editable
     bind:original_data
-    on:dataUpdated={(handler.setRows(current_cards))}
+    on:dataUpdated={handler.setRows(current_cards)}
   />
 {/if}
 
@@ -78,7 +78,7 @@
         <table>
           <thead>
             <tr>
-              <th>
+              <th style="border-bottom: 1px solid #ddd;">
                 <input
                   type="checkbox"
                   class="focus:ring-indigo-500 h-4 w-4 text-indigo-600 border-gray-300 rounded"
@@ -95,14 +95,14 @@
               <Th {handler} orderBy="code">{$_("code")}</Th>
               <Th {handler} orderBy="runner">{$_("runner")}</Th>
               <Th {handler} orderBy="status">{$_("status")}</Th>
-              <th>{$_("action")}</th>
+              <th style="border-bottom: 1px solid #ddd;">{$_("action")}</th>
             </tr>
             <tr>
-              <th />
+              <th style="border-bottom: 1px solid #ddd;" />
               <ThFilter {handler} filterBy="code" />
               <ThFilter {handler} filterBy="runner" />
               <ThFilterStatus {handler} />
-              <th />
+              <th style="border-bottom: 1px solid #ddd;" />
             </tr>
           </thead>
           <tbody>