.animated-underline-black {
  position: relative;
  overflow: hidden;
}
.animated-underline-black::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: #111;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
}
.animated-underline-black:hover::after {
  transform: scaleX(1);
}
.animated-underline-white {
  position: relative;
  overflow: hidden;
}
.animated-underline-white::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: #fff;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
}
.animated-underline-white:hover::after {
  transform: scaleX(1);
}