JSFiddle - React, Tailwind, and code Playground

HTML

<div class="row">
  <div class="col-sm-12">
    <h2>
      weekly requirements
    </h2>
  </div>
  <div class="arrow-shape"></div>
</div>

CSS

.row {
  display: inline-block;
  background: lightgreen;
  width: 500px;
  height:50px;
  position: absolute;
  display: flex;
  align-items: center;
}

h2 {
  margin-left: 20px;
}

.arrow-shape {
  width: 0; 
  height: 0; 
  border-left: 80px solid transparent;
  border-right: 0px solid transparent;
  border-bottom: 50px solid green;
  position: absolute;
  top: 0;
  right: 0;
}