@mixin tether($themePrefix: "tether") {
  .#{$themePrefix}-element, .#{$themePrefix}-element * {
    &, &:after, &:before {
      box-sizing: border-box;
    }
  }

  .#{$themePrefix}-element {
    position: absolute;
    display: none;

    &.#{$themePrefix}-open {
      display: block;
    }
  }
}