Add js-requires-input to form

app/views/admin/broadcast_messages/index.html.haml

@@ -7,7 +7,7 @@
   %i.fa.fa-bullhorn
   %span Your message here
 
-= form_for [:admin, @broadcast_message], html: { class: 'broadcast-message-form form-horizontal'} do |f|
+= form_for [:admin, @broadcast_message], html: { class: 'broadcast-message-form form-horizontal js-requires-input'} do |f|
   -if @broadcast_message.errors.any?
     .alert.alert-danger
       - @broadcast_message.errors.full_messages.each do |msg|
@@ -17,8 +17,7 @@
     .col-sm-10
       = f.text_area :message, class: "form-control", rows: 2, required: true
       %div
-        = link_to '#', class: 'js-toggle-colors-link' do
-          Customize colors
+        = link_to 'Customize colors', '#', class: 'js-toggle-colors-link'
   .form-group.js-toggle-colors-container.hide
     = f.label :color, "Background Color", class: 'control-label'
     .col-sm-10