<a href="#"><span data-content="Link Hover" aria-hidden="true"></span>Link Hover</a>

@import url('https://fonts.googleapis.com/css?family=Barlow:800&display=swap');

* {
  box-sizing: border-box;
  &::before, &::after {
    box-sizing: border-box;
  }
}

body {
  font-family: 'Barlow', sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  min-height: 100vh;
}

a {
  position: relative;
  display: inline-block;
  font-size: 2em;
  color: royalblue;
  font-weight: 800;
  text-decoration: underline;
  // text-decoration: none;
  overflow: hidden;
  span {
    position: absolute;
    top: 0;
    left: 0;
    overflow: hidden;
    transform: translateX(-100%);
    transition: transform 275ms ease;
    &::before {
      display: inline-block;
      content: attr(data-content);
      //color to be filled
      color: midnightblue;
      transform: translateX(100%);
      transition: transform 275ms ease;
      text-decoration: underline;
    }
  }
  &:hover {
    span {
      transform: translateX(0);
      &::before {
        transform: translateX(0);
      }
    }
  }
}