.Navicon,
.Navicon > * {
  box-sizing: border-box;
}

.Navicon {
  display: inline-block;
  height: 3rem;
  left: 0;
  position: absolute;
  top: 0;
  width: 3rem;
}

.Navicon-link {
  display: inline-block;
  height: 100%;
  padding: 0.8rem 0.7rem;
  position: relative;
  width: 100%;
}

.Navicon-bar {
  display: block;
  height: 1px;
  transform: translate3d(0, 0, 0);
  transition: transform 0.3s cubic-bezier(0.465, 0.183, 0.153, 0.946);
  transform-origin: center;
  width: 100%;
  will-change: transform;
}

.Navicon-bar.middle {
  margin: 0.5rem 0;
  opacity: 1;
  transition: opacity 300ms;
}

/* active */

.Navicon-bar.active_top {
  transform: translate3d(0, 9px, 0);
}

.Navicon-bar.active_middle {
  opacity: 0;
}

.Navicon-bar.active_bottom {
  transform: translate3d(0, -9px, 0);
}

/* finish */

.Navicon-bar.finish_top {
  transform: translate3d(0, 9px, 0) rotate(135deg);
}

.Navicon-bar.finish_bottom {
  transform: translate3d(0, -9px, 0) rotate(-135deg);
}