@mixin underline() {
  position: relative;
  &::after{
    content: '';
    width: 100%;
    height: 1px;
    position: absolute;
    bottom: 0px;
    left: 0;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: 0% 50%;
    transition: transform 1s cubic-bezier(0.35, 0.42, 0, 1);
  }
  &:hover {
    &::after {
      transform: scaleX(1);
      transform-origin: 100% 50%;
    }
  }
}
@mixin underline-reverse() {
  position: relative;
  &::after{
    content: '';
    width: 100%;
    height: 1px;
    position: absolute;
    bottom: 0px;
    left: 0;
    background: currentColor;
    transform: scaleX(1);
    transform-origin: 100% 50%;
    transition: transform 1s cubic-bezier(0.35, 0.42, 0, 1);
  }
  &:hover {
    &::after {
      transform: scaleX(0);
      transform-origin: 0% 50%;
    }
  }
}