.menutoggle {
  position: absolute;
  top: 20px;
  z-index: 25;
  height: 30px;
  right: 0;
  border: 0;
  padding: 10px;
  background-color: transparent;
  transition-property: all;
  transition-duration: 0.5s;
  transition-timing-function: cubic-bezier(0.19, 1, 0.22, 1);
  cursor: pointer;
}

.menutoggle.is-active {
  transform: rotate(45deg);
}

.menutoggle.is-active .bar {
  width: 20px;
}

.menutoggle.is-active .bar:nth-child(1) {
  transform: translateY(4px) translateX(4px);
}

.menutoggle.is-active .bar:nth-child(2) {
  opacity: 0;
}

.menutoggle.is-active .bar:nth-child(3) {
  transform: translateY(-8px) translateX(4px) rotate(-90deg);
}

.menutoggle:focus {
  outline: 0;
}

.bar {
  width: 16px;
  height: 2px;
  background-color: var(--c-primary);
  border-radius: 4px;
  display: block;
  margin: 4px auto;
  transition-property: background-color, transform, width;
  transition-duration: 0.5s;
  transition-timing-function: cubic-bezier(0.19, 1, 0.22, 1);
}

.c-negative .bar {
  background-color: var(--c-white);
}

@media all and (min-width: 64rem) {
  .menutoggle {
    display: none;
  }
}