JSFiddle - React, Tailwind, and code Playground

by Kocsten

HTML

<div class="gtesazu-nilopogas">
  <p><a href="#">Сюда наводим клик для эффекта</a></p>
</div>

CSS

.gtesazu-nilopogas a {
  color: #3399FF;
  text-decoration: none;
  -webkit-transition-duration: 0.3s;
  transition-duration: 0.3s;
  position: relative;
  display: inline-block;
}

.gtesazu-nilopogas a:hover {
  color: #337AB7;
  text-decoration: none;
}

.gtesazu-nilopogas a::before {
  position: absolute;
  top: 100%;
  left: 50%;
  color: transparent;
  content: '•';
  text-shadow: 0 0 transparent;
  font-size: 12px;
  -webkit-transition: text-shadow 0.3s, color 0.3s;
  -moz-transition: text-shadow 0.3s, color 0.3s;
  transition: text-shadow 0.3s, color 0.3s;
  -webkit-transform: translateX(-50%);
  -moz-transform: translateX(-50%);
  transform: translateX(-50%);
  pointer-events: none;
  line-height: .1em;
}

.gtesazu-nilopogas a:hover::before,
.gtesazu-nilopogas a:focus::before {
  color: #3399FF;
  text-shadow: 12px 0 #3399FF, -12px 0 #3399FF;
}