etcd-io__etcd/mod/dashboard/app/404.html

<div class="co-m-404">

  <div class="row co-l-secondary-nav">
    <div class="col-lg-3 col-md-3 col-sm-3 col-xs-6 co-m-primary-action"></div>
    <div class="col-lg-6 col-md-6 col-sm-6 col-xs-12 co-m-page-title">
      <h1 class="co-fx-text-shadow">Page Not Found</h1>
    </div>
  </div>

  <div class="row">

    <div class="col-lg-12 col-md-12 col-sm-12 col-xs-12">
      <div class="panel co-m-panel co-fx-box-shadow-heavy">
        <div class="panel-body">
          <div class="row">
            <div class="col-lg-6 col-lg-offset-3 col-md-6 col-md-offset-3 col-sm-8 col-sm-offset-2 col-xs-12 co-m-404-animation">
              <div class="co-m-404-logo" ng-include="'/cp/static/img/globe-only.svg'"></div>
              <div class="co-m-404-orbit">
                <div class="co-m-404-moon">
                  <div class="co-m-404-moon-text">404</div>
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
     </div>

  </div>

</div>