html,
body {
  margin: 0;
  height: 100%;
}

.wrapper {
  width: 100%;
  height: 100%;
  background-color: #ECE5CE;
  text-align: center;
}

.menu {
  display: inline-block;
  position: relative;
  margin-top: 88px;
  top: 50%;
  /*transform: translateY(-50%);*/
  text-align: left;
}

input {
  position: absolute;
  top: -3px;
  right: -3px;
  z-index: 5;
  -moz-appearance: none;
  -webkit-appearance: none;
  appearance: none;
  display: block;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  outline: 0;
  cursor: pointer;
}
input:hover ~ .fa-bars {
  background-color: #d66b50;
}
input ~ button:nth-child(4) {
  transform: translateX(49px) rotate(90deg);
}
input ~ button:nth-child(3) {
  transform: translateX(98px) rotate(180deg);
}
input ~ button:nth-child(2) {
  transform: translateX(147px) rotate(270deg);
}
input[type="checkbox"]:checked ~ button {
  transform: translateX(0);
}

button {
  display: inline-block;
  background-color: #E08E79;
  border: 0;
  outline: 0;
  border-radius: 50%;
  height: 40px;
  width: 40px;
  text-align: center;
  cursor: pointer;
  margin-right: 5px;
  will-change: transform;
  -moz-transition: background-color 250ms cubic-bezier(0.41, 0.29, 0.38, 0.94), -moz-transform 250ms cubic-bezier(0.41, 0.29, 0.38, 0.94);
  -o-transition: background-color 250ms cubic-bezier(0.41, 0.29, 0.38, 0.94), -o-transform 250ms cubic-bezier(0.41, 0.29, 0.38, 0.94);
  -webkit-transition: background-color 250ms cubic-bezier(0.41, 0.29, 0.38, 0.94), -webkit-transform 250ms cubic-bezier(0.41, 0.29, 0.38, 0.94);
  transition: background-color 250ms cubic-bezier(0.41, 0.29, 0.38, 0.94), transform 250ms cubic-bezier(0.41, 0.29, 0.38, 0.94);
}
button:hover {
  background-color: #d66b50;
}
button:active {
  background-color: #c54d2e;
}

.fa {
  color: #FFF;
}