="text-align: center;">
    <div class="col-md-4">
      <i class="fa fa-users fa-5x" aria-hidden="true"></i>
      <h2>Get involved</h2>
    </div>
  </a>
</div>
<div class="row">
  <div class="col-md-4">
    <div class="panel panel-default" style="margin-top:20px;">
        <div class="panel-heading">
            Last updates
        </div>
        <div class="panel-body fixed-panel">
          <div ng-repeat="sign in last_sign">
            <h4>{{sign.id}} - {{sign.title}}</h4>
            <ul>
         