add styles for dark mode toggle block

style.css

@@ -7,7 +7,7 @@ Description: Kanso is a simple and intuitive blog block theme designed with a fo
 Requires at least: 6.5
 Tested up to: 6.6
 Requires PHP: 7.0
-Version: 1.0.3
+Version: 1.0.4
 License: GNU General Public License v2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
 Text Domain: kanso
@@ -265,7 +265,18 @@ input:not([type=submit]):focus-visible {
     padding: 12px 8px;
 }
 
-/* Third party blocks */
+/* Dark mode toggle block */
+
+.wp-block-tabor-dark-mode-toggle__track:not(.has-background) {
+	background: var(--wp--preset--color--theme-3);
+}
+
+.wp-block-tabor-dark-mode-toggle__track:not(.has-background):hover {
+    background-color: var(--wp--preset--color--theme-4);
+	color: var(--wp--preset--color--theme-6);
+}
+
+/* Other third party blocks */
 
 .wp-block-tabor-card:not(.is-style-dark) .wp-block-tabor-card__description {
 	/* CSS in theme.json for third party blocks is not supported yet; related — https://github.com/WordPress/gutenberg/issues/48439 */