JSFiddle - React, Tailwind, and code Playground

HTML

<div class="shape">
  <div class="inner">lorem ipsum lorem ipsum lorem ipsum lorem ipsum lorem ipsum</div>
</div>

CSS

.shape {
   width: 200px;
   border-bottom: 80px solid blue;
   border-left: 5px solid transparent;
   border-right: 0 solid transparent;
   position:relative;
}
.inner {
    position:absolute;
    top:0;
    left:0;
    padding:15px;
}