<a href="#">Hover this link</a>

a {
	color: #18272F;
  position: relative;
  text-decoration: none;
}

a::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 4px;
  border-radius: 4px;
  background-color: #18272F;
  bottom: 0;
  left: 0;
  transform-origin: right;
  transform: scaleX(0);
  transition: transform .3s ease-in-out;
}

a:hover::before {
  transform-origin: left;
  transform: scaleX(1);
}

/* Presentational Styles */
body {
	display: grid;
  font-family: 'Poppins', sans-serif;
  font-size: 27px;
  font-weight: 700;
  height: 100vh;
	place-items: center;
}