-sm-1 placeholder">
            <h4 id="corpus"></h4>
            <span class="text-muted">Corpus</span>
          </div>
          <div class="col-xs-3 col-sm-1 placeholder">
            <h4 id="crashers"></h4>
            <span class="text-muted">Crashers</span>
          </div>
          <div class="col-xs-3 col-sm-1 placeholder">
            <h4 id="restarts"></h4>
            <span class="text-muted">Restarts</span>
          </div>
          <div class="col-xs-4 col-sm-1 placeholder">
            <h4 