Fix style

_config.yml

@@ -20,7 +20,7 @@ timezone: Asia/Tokyo
 
 title: 松松de小屋                   # the main title
 
-tagline: 这个人很懒，什么都没有留下  # it will display as the sub-title
+tagline: 人生の99%はゲームで出来ている  # it will display as the sub-title
 
 description: >-                        # used by seo meta and the atom feed
   A minimal, portfolio, sidebar,

_includes/sidebar.html

@@ -40,7 +40,8 @@
     <!-- the real tabs -->
     {% for tab in site.tabs %}
       {% if tab.sidebar != false %}
-      <li class="nav-item{% if tab.url == page.url %}{{ " active" }}{% endif %}">
+      {% assign page_url = page.url | replace: "_cn", "" %}
+      <li class="nav-item{% if tab.url == page_url %}{{ " active" }}{% endif %}">
         <a href="{{ tab.url | relative_url }}" class="nav-link">
           <i class="fa-fw {{ tab.icon }} ml-xl-3 mr-xl-3 unloaded"></i>
           {% capture tab_name %}{{ tab.url | split: '/' }}{% endcapture %}

assets/css/style.scss

@@ -5,7 +5,7 @@
   If the number of TAB files has changed, the following variable is required.
   And it must be defined before `@import`.
 */
-$tab-count: {{ site.tabs | size | plus: 1 }}; // plus 1 for home tab
+$tab-count: {{ site.tabs | size | plus: 0 }}; // plus 1 for home tab, minus 1 for about_cn
 
 @import "{{ site.theme }}";