Fix blob remove modal style

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/views/projects/blob/_remove.html.haml

@@ -9,13 +9,14 @@
           %strong= @ref
 
       .modal-body
-        = form_tag project_blob_path(@project, @id), method: :delete do
+        = form_tag project_blob_path(@project, @id), method: :delete, class: 'form-horizontal' do
           .form-group.commit_message-group
             = label_tag 'commit_message', class: "control-label" do
               Commit message
             .col-sm-10
-              = text_area_tag 'commit_message', params[:commit_message], placeholder: "Removed this file because...", required: true, rows: 3
+              = text_area_tag 'commit_message', params[:commit_message], placeholder: "Removed this file because...", required: true, rows: 3, class: 'form-control'
           .form-group
+            .col-sm-2
             .col-sm-10
               = submit_tag 'Remove file', class: 'btn btn-remove'
               = link_to "Cancel", '#', class: "btn btn-cancel", "data-dismiss" => "modal"