diff --git a/_config.yml b/_config.yml
index 11d9764..c364cf5 100755
--- a/_config.yml
+++ b/_config.yml
@@ -4,7 +4,7 @@ info:
   version: '2.3.1'
   docs: https://volantis.js.org/
   cdn: # To use CDN, write 'use_cdn: true' in 'blog/_config.yml'.
-    css: https://cdn.jsdelivr.net/gh/xaoxuu/cdn-volantis@2.3.1/css/style.css
+    css: https://cdn.jsdelivr.net/gh/xaoxuu/cdn-volantis@2.3.1.1/css/style.css
     js: https://cdn.jsdelivr.net/gh/xaoxuu/cdn-volantis@2.3/js/app.js
 
 
diff --git a/source/css/_layout/navbar.styl b/source/css/_layout/navbar.styl
index 351780f..27032f6 100644
--- a/source/css/_layout/navbar.styl
+++ b/source/css/_layout/navbar.styl
@@ -48,7 +48,8 @@
       @media screen and (min-width: 2000px)
         max-width: "calc(55vw - %s)" % $sidebar
       .m_search
-        width: 120px
+        @media screen and (min-width: $device-mobile)
+          max-width: 112px
 
   .wrapper.sub
     .logo