<div class="item">
  <div class="outer outer1">
    <span>1</span>
    <p>
      Lorem ipsum dolor sit amet consectetur.
    </p>
  </div>
  <div class="outer outer2">
    <span>2</span>
    <p>
      Lorem ipsum dolor sit amet.
    </p>
  </div>
  <div class="outer outer3">
    <span>3</span>
    <p>
      Lorem, ipsum dolor sit amet consectetur adipisicing.
    </p>
  </div>
  <div class="outer outer4">
    <span>4</span>
    <p>
      Lorem ipsum dolor sit.
    </p>
  </div>
</div>

<a href="https://qna.habr.com/q/749381" class="ask">
  https://qna.habr.com/q/749381
</a>

.item{
  width: 70%;
  height: 3px;
  background: #000;
  margin: 50px auto;
  position: relative;
}

.outer{
  position: absolute;
  top: -50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #000;
}

.outer2{
  left: 35%;
}

.outer3{
  left: 70%;
}

.outer4{
  left: 100%;
}

.outer span{
  position: absolute;
  top: 50%;
  left: 50%;
  color: #fff;
  transform: translate(-50%, -50%);
}

.outer p{
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 140px;
  font-size: 12px;
  text-align: center;
}

.ask{
  position: fixed;
  bottom: 30px;
  right: 30px;
}