message: Animate the hyperlink underline
diff: @@ -355,11 +355,32 @@ h1 + p button + blockquote + p::first-line {
  ***********************************************************************/
  a {
  + position: relative;
  color: var(--text-link);
  + text-decoration: none;
  }
  a:hover {
  color: var(--text-link-hover);
  + text-decoration: none;
  }
  +a::before {
  + content: "";
  + position: absolute;
  + display: block;
  + width: 100%;
  + height: 2px;
  + background-color: var(--text-link-hover);
  + bottom: -0.2rem;
  + left: 0;
  + transform: scaleX(0);
  + visibility: hidden;
  + transition: transform 0.3s ease;
  +}
  +a:hover::before {
  + transform: scaleX(1);
  + visibility: visible;
  +}
  +
  span.link-disabled {
  color: var(--background-accent);
  }
  