@mixin hamburger-arrow-left() {
  transform: rotate(180deg);

  &::before {
    width: .6em;
    transform: translate3d(.45em, .1em, 0) rotate(45deg);
  }

  .hamburger-bar {
    border-radius: .2em;
  }

  &::after {
    width: .6em;
    transform: translate3d(.45em, -.1em, 0) rotate(-45deg);
  }
}