<div id="search_form" class="search-form-header">
  <%= form_tag search_path, method: :get do %>
    <div class="input-group">
      <label class="sr-only"><%= t("#{i18n_namespace}.title") %></label>
      <input type="text" name="search" placeholder="<%= t("#{i18n_namespace}.placeholder") %>" class="input-group-field" value="<%= params[:search] %>">
      <div class="input-group-button">
        <button type="submit" class="button" title="<%= t("#{i18n_namespace}.button") %>">
          <span class="sr-only"><%= t("#{i18n_namespace}.button") %></span>
          <span class="icon-search"></span>
        </button>
      </div>
    </div>
  <% end %>
</div>
