JSFiddle - React, Tailwind, and code Playground

HTML

<div class="box">Address</div>

CSS

.box {
  width: 200px;
  height: 25px;
  border-radius: 2px;
  padding: 5px;
  font-family: 'Arial';
  color: white;
  background-color: lightblue;
}

.box::after {
  content: ' ';
  position: relative;
  top: 36px;
  border-style: solid;
  border-width: 7px 7px 0;
  border-color: lightblue transparent;
}