<span class="pseudo-animated">Hover over me too!</span>
.pseudo-animated {
  position: relative;
}

.pseudo-animated::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  bottom: 0;
  height: 0%;
  
  background-color: black;
  transition-duration: 0.15s;
  transition-timing-function: ease-out;
}

.pseudo-animated:hover::after {
  height: 2px;
}

/*
  Unimportant stuff starts here :)
*/
body {
  font-family: "Raleway", sans-serif;
}

External CSS

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