Few css improvements

app/views/issues/_form.html.haml

 %div.issue-form-holder
-  %h3= @issue.new_record? ? "New Issue" : "Edit Issue ##{@issue.id}"
+  %h3.page_title= @issue.new_record? ? "New Issue" : "Edit Issue ##{@issue.id}"
   = form_for [@project, @issue], remote: request.xhr? do |f|
     -if @issue.errors.any?
       .alert-message.block-message.error

app/views/issues/index.html.haml

@@ -7,6 +7,7 @@
       .span5
         - if can? current_user, :write_issue, @project
           = link_to new_project_issue_path(@project), class: "right btn small", title: "New Issue", remote: true do
+            %i.icon-plus
             New Issue
         = form_tag search_project_issues_path(@project), method: :get, remote: true, id: "issue_search_form", class: :right  do
           = hidden_field_tag :project_id, @project.id, { id: 'project_id' }

app/views/milestones/_form.html.haml

-%h3= @milestone.new_record? ? "New Milestone" : "Edit Milestone ##{@milestone.id}"
+%h3.page_title= @milestone.new_record? ? "New Milestone" : "Edit Milestone ##{@milestone.id}"
 .back_link
   = link_to project_milestones_path(@project) do
     ← To milestones
@@ -17,12 +17,12 @@
         = f.label :title, "Title", class: "control-label"
         .controls
           = f.text_field :title, maxlength: 255, class: "input-xlarge"
-          %p.help-block Required
+          %p.hint Required
       .control-group
         = f.label :description, "Description", class: "control-label"
         .controls
           = f.text_area :description, maxlength: 2000, class: "input-xlarge", rows: 10
-          %p.help-block Markdown is enabled.
+          %p.hint Markdown is enabled.
     .span6
       .control-group
         = f.label :due_date, "Due Date", class: "control-label"