Added css autoprefixer

Gemfile

@@ -24,3 +24,6 @@ end
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
 gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
+
+#CSS Prefixer
+gem 'octopress-autoprefixer'

Gemfile.lock

@@ -3,11 +3,14 @@ GEM
   specs:
     addressable (2.5.2)
       public_suffix (>= 2.0.2, < 4.0)
+    autoprefixer-rails (7.2.5)
+      execjs
     colorator (1.1.0)
     em-websocket (0.5.1)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
     eventmachine (1.2.5)
+    execjs (2.7.0)
     ffi (1.9.18)
     forwardable-extended (2.6.0)
     http_parser.rb (0.6.0)
@@ -39,6 +42,9 @@ GEM
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9.7)
     mercenary (0.3.6)
+    octopress-autoprefixer (2.0.1)
+      autoprefixer-rails
+      jekyll (~> 3.0)
     pathutil (0.16.1)
       forwardable-extended (~> 2.6)
     public_suffix (2.0.5)
@@ -61,6 +67,7 @@ DEPENDENCIES
   jekyll-feed (~> 0.6)
   jekyll-livereload
   jekyll-polyglot
+  octopress-autoprefixer
   tzinfo-data
 
 BUNDLED WITH