discourse/app/views/users/omniauth_callbacks/confirm_request.html.erb

<div id='simple-container'>
  <h2><%= t('login.omniauth_confirm_title', provider:(t "js.login.#{params[:provider]}.name", default: params[:provider])) %></h2>
  <br/>

  <%= form_tag do %>
    <%= button_tag(type: "submit", class: "btn btn-primary") do %>
        <%= SvgSprite.raw_svg('fa-plug') %><%= t 'login.omniauth_confirm_button' %>
    <% end %>
  <% end %>
</div>