JSFiddle - React, Tailwind, and code Playground

HTML

<div class="time-line">
  <div class="time-line__labels">
    <div class="time-line__begin">Lorem ipsum</div>
    <div class="time-line__end">Dolor sit amet</div>
  </div>
  <ul class="time-line__captions">
    <li class="time-line__sub">Ab, quia voluptas.</li>
    <li class="time-line__sub">Lorem ipsum dolor sit amet</li>
    <li class="time-line__sub">Delectus tenetur aspernatur</li>
  </ul>
</div>

CSS

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  padding: 0;
  margin: 0;
  font-family: sans-serif;
}

.time-line {
  margin: 10px;
  padding: 10px;
  background-color: #FAFAFA;
}

.time-line__labels {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.time-line__begin, .time-line__end {
  text-align: center;
  padding: 10px 20px;
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
}

.time-line__begin {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 293 43'%3E%3Cpolygon points='0 39 8 8 293 0 270 43 0 39' fill='%23242424'/%3E%3C/svg%3E");
  width: 293px;
  color: #fff;
  margin-right: 20px;
}

.time-line__end {
  margin-top: 20px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 236 54'%3E%3Cpolygon points='0 0 229 11 236 53 18 54 0 0' fill='%23ffd22c'/%3E%3C/svg%3E");
  width: 236px;
}

.time-line__captions {
  display: flex;
  position: relative;
  justify-content: space-between;
  list-style: none;
  padding: 0;
  margin: 0;
  padding-top: 25px;
}

.time-line__captions::before {
  content: '';
  position: absolute;
  left: 25px;
  top: -16px;
  height: 20px;
  border-left: 3px solid #FFD22C;
}

.time-line__captions::after {
  content: '';
  position: absolute;
  top: 4px;
  height: 21px;
  left: 25px;
  right: 75px;
  border-left: 3px solid #FFD22C;
  border-right: 3px solid #FFD22C;
  border-bottom: 3px solid #FFD22C;
  border-radius: 0 0 12px 12px / 0 0 12px 12px;
}

.time-line__sub {
  position: relative;
  padding: 30px 10px 0;
  text-align: center;
}

.time-line__sub::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 3px;
  height: 20px;
  background-color: #FFD22C;
}