Refactor dark mode

src/components/Cards/AppCard.jsx

 /*
- * Copyright (c) 2021 CZ.NIC z.s.p.o. (https://www.nic.cz/)
+ * Copyright (c) 2021-2024 CZ.NIC z.s.p.o. (https://www.nic.cz/)
  *
  * This is free software, licensed under the GNU General Public License v3.
  * See /LICENSE for more information.
@@ -44,7 +44,7 @@ const AppCard = ({
                 <Card.Body className="text-truncate">
                     <Card.Title
                         as={"h2"}
-                        className="h4 text-dark d-inline align-middle card-name me-1"
+                        className="h4 d-inline align-middle card-name me-1"
                     >
                         {title}
                     </Card.Title>