fix border color of routes table

Author: Ruesa18

src/kernel/utils/output/style.css

@@ -49,7 +49,7 @@ table tr:first-child {
 }
 
 table td, table th {
-    border: 1px solid var(--color-table-alternate);
+    border: 1px solid var(--color-table);
     box-sizing: border-box;
 }