diff --git a/app/assets/stylesheets/application.css b/app/assets/stylesheets/application.css
index 46f162b..52fef5f 100644
--- a/app/assets/stylesheets/application.css
+++ b/app/assets/stylesheets/application.css
@@ -837,6 +837,11 @@ div.comment_form_container form {
 	max-width: 700px;
 }
 
+div.comment_form_container textarea {
+   box-sizing: border-box;
+   width: 100%;
+}
+
 
 /* trees */
 
diff --git a/app/views/comments/_commentbox.html.erb b/app/views/comments/_commentbox.html.erb
index 65614ab..eb57a42 100644
--- a/app/views/comments/_commentbox.html.erb
+++ b/app/views/comments/_commentbox.html.erb
@@ -15,7 +15,7 @@ data-shortid="<%= comment.short_id if comment.persisted? %>">
 
   <div style="width: 100%;">
     <%= text_area_tag "comment", comment.comment, :rows => 5,
-      :style => "width: 100%;", :autocomplete => "off", :disabled => !@user,
+      :autocomplete => "off", :disabled => !@user,
       :placeholder => (@user ? "" : t('.mustbelogged'))
       %>