.burger {
  display: none;
  width: 30px;
  padding: 0;
  line-height: 30px;

  border: 0;
  cursor: pointer;
  background-color: transparent;

  order: 0;
  margin-left: auto;

  @include for-tablet-landscape-down() {
    display: inline-block;
    margin-right: 5%;
  }

  > span {
    position: relative;
    display: inline-block;
    width: 100%;
    height: 3px;

    font-size: 0;
    vertical-align: middle;
    background-color: $black;
    transition: background .3s;

    &:before,
    &:after {
      content: '';
      position: absolute;
      left: 0;
      width: 100%;

      height: 100%;
      background-color: $black;
      transition: top .3s .3s, transform .3s;
    }

    &:before {
      top: -10px;
    }

    &:after {
      top: 10px;
    }
  }

  &_close {

    > span {
      background-color: transparent;

      &::before,
      &::after {
        top: 0;
        transition: transform .3s .3s, top .3s;
      }

      &::before {
        transform: rotate(45deg);
      }

      &::after {
        transform: rotate(-45deg);
      }
    }
  }
}