diff --git a/source/css/_variables/base.styl b/source/css/_variables/base.styl
index 85dcaa7538..0deda9c283 100644
--- a/source/css/_variables/base.styl
+++ b/source/css/_variables/base.styl
@@ -144,7 +144,7 @@ $table-row-hover-bg-color       = $whitesmoke
 // Code & Code Blocks
 // --------------------------------------------------
 $code-font-family               = $font-family-monospace
-$code-font-size                 = 13px
+$code-font-size                 = 14px
 $code-font-size                 = unit(hexo-config('font.codes.size'), px) if hexo-config('font.codes.size') is a 'unit'
 $code-border-radius             = 3px
 $code-foreground                = $black-light