<div class="row horizontal-line">
  <div class="col-1 col-lg-2 timeline-side-div">
    <div class="corner"></div>
  </div>
  <div class="col-10 col-lg-8">
    <hr />
  </div>
  <div class="col-1 col-lg-2 timeline-side-div">
    <div class="corner"></div>
  </div>
</div>
