Hammie SCSS

hammie.scss

// mobile navigation icon
// using bourbon library
.hammie {

  .has-universe & {
    top: $universeBarHeight+45+px;
  }

  display: none;
  vertical-align: middle;
  @include transition(all .25s ease-in-out);
  top: 45px;
  position: absolute;
  right: 50px;
  transform: translateY(-50%);

  span {
    background-color: $dunn-orange;
    position: relative;
    display: inline-block;
    vertical-align: middle;
    width: 30px;
    height: 5px;
    margin: 14px 0;
    @include transition-property (all);
    @include transition-duration(120ms);
    @include transition-timing-function(ease-in-out);
    @include transition-delay(240ms);


    &:before, &:after {
      background-color: $dunn-orange;
      position: absolute;
      display: block;
      width: 30px;
      height: 5px;
      content: "";
      @include transition-property (all);
      @include transition-duration(120ms);
      @include transition-timing-function(ease-in-out);
      @include transition-delay(240ms);
      @include transition(all .25s ease-in-out);
    }

    &:before { top: -8px; }
    &:after { bottom: -8px; }
  }

  &.is-close-menu-btn {
    span {

      body.is-active & {
        background-color: transparent;
        @include transition(all .25s ease-in-out);
      }

      @include transition-property (all);
      @include transition-duration(120ms);
      @include transition-timing-function(ease-in-out);
      @include transition-delay(160ms);
      &:before, &:after {
        @include transition-property (all);
        @include transition-duration(120ms);
        @include transition-timing-function(ease-in-out);
        @include transition-delay(160ms);
      }
      &:before {
        top: 0;
        @include transform(rotate(45deg));
      }
      &:after {
        bottom: 0;
        @include transform(rotate(-45deg));
      }
    }
  }

  @include media($devices) {
    display: block;
  }


  @include media($small) {
    right: 25px;
    top: 56px;

    .has-universe & {
      top: $universeBarHeight+56+px;
    }

    span {
      width: 32px;
      height: 6px;

      &:before, &:after {
        width: 32px;
        height: 6px;
      }

      &:before { top: -10px; }
      &:after { bottom: -10px; }
    }
  }

  @media print {
    display: none;
  }
}

for html:

<a href="javascript:void(0)" class="hammie"><span></span></a>