@mixin u-btn-link-states($selector, $v, $h, $f, $a) {
  #{$selector} {
    &,
    &:link,
    &:visited {
      text-decoration-color: $v;
      background-color: transparent;
      color: $v;
    }

    &:hover,
    &.hover {
      text-decoration-color: $h;
      text-decoration-style: solid;
      background-color: transparent;
      color: $h;
      box-shadow: none;
    }

    &:focus,
    &.focus {
      background-color: transparent;
      outline: 1px dotted $f;
      color: $f;
    }

    &:active,
    &.active {
      text-decoration-color: $a;
      text-decoration-style: solid;
      background-color: transparent;
      color: $a;
    }
  }
}