zulip/templates/zephyr/stream_creation_prompt.html

<div class="modal hide" id="stream-creation" tabindex="-1" role="dialog"
     aria-labelledby="stream-creation-label" aria-hidden="true">
  <div class="modal-header">
    <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
    <h3 id="stream-creation-label">Create stream <span id="stream_name"></span></h3>
  </div>
  <form id="stream_creation_form" class="form-inline">
      <div class="modal-body">
          <div id="make-invite-only">
            <label class="checkbox">
              <input id="invite-only" type="checkbox" name="invite-only" />
              Make stream invite-only
            </label>
          </div>
          <br />
          <div class="control-group">
            <label class="control-label" for="people_to_add"><b>People to add</b></label><br />
            <div class="controls" id="people_to_add"></div>
          </div>
      </div>
      <div class="modal-footer">
          <button class="btn" data-dismiss="modal" aria-hidden="true">Cancel</button>
          <button class="btn btn-primary" type="submit">Create</button>
      </div>
  </form>
</div>