Fix css

Author: solstice23

style.css

@@ -3,7 +3,7 @@ Theme Name: argon
 Author: solstice23
 Author URI: https://solstice23.top/
 Description: 轻盈、简洁、美观的 Wordpress 主题
-Version: 1.3.0
+Version: 1.3.1
 License: GNU General Public License v3.0
 License URI: https://www.gnu.org/licenses/gpl-3.0.html
 Tags: 简约, 两栏, 侧栏在左边, 浮动侧栏, 文章目录, 自适应, 夜间模式, 可自定义
@@ -162,7 +162,8 @@ html.immersion-color.darkmode body {
 .input-group-text,
 .page-link,
 .modal-content,
-.custom-control-label::before {
+.custom-control-label::before,
+.btn-secondary {
 	background-color: var(--color-widgets);
 }
 .page-link {