diff --git a/addons/website_blog/static/src/css/website_blog.css b/addons/website_blog/static/src/css/website_blog.css
index bd680d3b9c2..4fafb05ae61 100644
--- a/addons/website_blog/static/src/css/website_blog.css
+++ b/addons/website_blog/static/src/css/website_blog.css
@@ -1,4 +1,4 @@
-@import url(compass/css3.css);
+@charset "UTF-8";
 .css_website_mail .has-error {
   border-color: red;
 }
@@ -26,7 +26,8 @@ p.post-meta {
 }
 .js_website_blog div#right_column section:hover {
   opacity: 1;
-  -moz-transition: all 0.2s ease-out;
   -webkit-transition: all 0.2s ease-out;
+  -moz-transition: all 0.2s ease-out;
+  -o-transition: all 0.2s ease-out;
   transition: all 0.2s ease-out;
 }
diff --git a/addons/website_blog/static/src/css/website_blog.sass b/addons/website_blog/static/src/css/website_blog.sass
index 43339ad577f..7daa6c89b21 100644
--- a/addons/website_blog/static/src/css/website_blog.sass
+++ b/addons/website_blog/static/src/css/website_blog.sass
@@ -1,3 +1,5 @@
+@charset "utf-8"
+
 @import "compass/css3"
 
 .css_website_mail
@@ -24,7 +26,4 @@ p.post-meta
       opacity: 0.6
     section:hover
       opacity: 1
-      -moz-transition: all 0.2s ease-out
-      -webkit-transition: all 0.2s ease-out
-      transition: all 0.2s ease-out
-
+      @include transition(all 0.2s ease-out)