diff --git a/app/views/announcements/edit.html.erb b/app/views/announcements/edit.html.erb
index e5252ad190..236a53863e 100644
--- a/app/views/announcements/edit.html.erb
+++ b/app/views/announcements/edit.html.erb
@@ -8,10 +8,10 @@
:url => {:action => :update},
:html => {:method => :put} do |f|%>
- <%= f.text_area :text, :cols => 80, :rows => 5, label: t(:label_text) %>
+ <%= f.text_area :text, :cols => 80, :rows => 5, label: t(:label_text), container_class: '-wide' %>
- <%= f.text_field :show_until, label: t('announcements.show_until') %>
+ <%= f.text_field :show_until, label: t('announcements.show_until'), container_class: '-xslim' %>
<%= calendar_for("announcement_show_until") %>