.burger-icon {
  width: 36px;
  height: 26px;
  position: relative;
  -webkit-transform: rotate(0deg);
  -moz-transform: rotate(0deg);
  -o-transform: rotate(0deg);
  transform: rotate(0deg);
  -webkit-transition: 0.5s ease-in-out;
  -moz-transition: 0.5s ease-in-out;
  -o-transition: 0.5s ease-in-out;
  transition: 0.5s ease-in-out;
  cursor: pointer; }
  @media (max-width: 575px) {
    .burger-icon {
      width: 24px;
      height: 11px; } }
  .burger-icon span {
    display: block;
    position: absolute;
    height: 2px;
    width: 100%;
    background: #000;
    border-radius: 9px;
    opacity: 1;
    left: 0;
    -webkit-transform: rotate(0deg);
    -moz-transform: rotate(0deg);
    -o-transform: rotate(0deg);
    transform: rotate(0deg);
    -webkit-transition: 0.25s ease-in-out;
    -moz-transition: 0.25s ease-in-out;
    -o-transition: 0.25s ease-in-out;
    transition: 0.25s ease-in-out; }
    .burger-icon span:nth-child(1) {
      top: 0px; }
      @media (min-width: 576px) {
        .burger-icon span:nth-child(1) {
          top: 4px; } }
    .burger-icon span:nth-child(2) {
      top: 6px; }
      @media (min-width: 576px) {
        .burger-icon span:nth-child(2) {
          top: 13px; } }
    .burger-icon span:nth-child(3) {
      top: 6px; }
      @media (min-width: 576px) {
        .burger-icon span:nth-child(3) {
          top: 13px; } }
    .burger-icon span:nth-child(4) {
      top: 12px; }
      @media (min-width: 576px) {
        .burger-icon span:nth-child(4) {
          top: 22px; } }
  .burger-icon.active span:nth-child(1) {
    display: none; }
  .burger-icon.active span:nth-child(2) {
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    transform: rotate(45deg); }
  .burger-icon.active span:nth-child(3) {
    top: 6px;
    -webkit-transform: rotate(-45deg);
    -moz-transform: rotate(-45deg);
    -o-transform: rotate(-45deg);
    transform: rotate(-45deg); }
    @media (min-width: 576px) {
      .burger-icon.active span:nth-child(3) {
        top: 12px; } }
  .burger-icon.active span:nth-child(4) {
    display: none; }