= form_for @user, url: profile_update_path, remote: true, method: :put do |f|
  %div
    %h3 Application theme
    %hr
    .clearfix
      = label_tag do
        = f.radio_button :theme_id, 1
        Default

      = label_tag do
        = f.radio_button :theme_id, 2
        Classic

      = label_tag do
        = f.radio_button :theme_id, 3
        Modern
    %br
  %h3 Code review
  %hr
  .row
    %label.span3{for: "user_dark_scheme_false"}
      .thumbnail
        = image_tag "white.png", width: 260, class: "styled_image"
        .caption
          %h5
            = f.radio_button :dark_scheme, false
            White code preview
    %label.span3{for: "user_dark_scheme_true"}
      .thumbnail
        = image_tag "dark.png", width: 260, class: "styled_image"
        .caption
          %h5
            = f.radio_button :dark_scheme, true
            Dark code preview

:javascript
  $(function(){
    $(".edit_user input").bind("click", function() {
      $(".edit_user").submit();
    });
  })