Colourful flower popup menu by Jasper LaChance

<nav class="menu">
  <!-- Use input to handle click event -->
  <input
    type="checkbox"
    href="#"
    class="menu-open"
    name="menu-open"
    id="menu-open"
  />
  <label class="menu-open-button" for="menu-open">
    <span class="lines line-1"></span>
    <span class="lines line-2"></span>
    <span class="lines line-3"></span>
  </label>

  <a href="#" class="menu-item blue"> <i class="fa fa-anchor"></i> </a>
  <a href="#" class="menu-item green"> <i class="fa fa-coffee"></i> </a>
  <a href="#" class="menu-item red"> <i class="fa fa-heart"></i> </a>
  <a href="#" class="menu-item purple"> <i class="fa fa-microphone"></i> </a>
  <a href="#" class="menu-item orange"> <i class="fa fa-star"></i> </a>
  <a href="#" class="menu-item lightblue"> <i class="fa fa-diamond"></i> </a>
</nav>

body {
  padding: 0;
  margin: 0;
  background: #596778;
  color: #eeeeee;
  text-align: center;
  font-family: 'Lato', sans-serif;
}

@media screen and (max-width: 700px) {
  body {
    padding: 170px 0 0 0;
    width: 100%;
  }
}

a {
  color: inherit;
}

.menu-item,
.menu-open-button {
  background: #eeeeee;
  border-radius: 100%;
  width: 80px;
  height: 80px;
  margin-left: -40px;
  position: absolute;
  color: #ffffff;
  text-align: center;
  line-height: 80px;
  -webkit-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
  -webkit-transition: -webkit-transform ease-out 200ms;
  transition: -webkit-transform ease-out 200ms;
  transition: transform ease-out 200ms;
  transition: transform ease-out 200ms, -webkit-transform ease-out 200ms;
}

.menu-open {
  display: none;
}

.lines {
  width: 25px;
  height: 3px;
  background: #596778;
  display: block;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-left: -12.5px;
  margin-top: -1.5px;
  -webkit-transition: -webkit-transform 200ms;
  transition: -webkit-transform 200ms;
  transition: transform 200ms;
  transition: transform 200ms, -webkit-transform 200ms;
}

.line-1 {
  -webkit-transform: translate3d(0, -8px, 0);
  transform: translate3d(0, -8px, 0);
}

.line-2 {
  -webkit-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
}

.line-3 {
  -webkit-transform: translate3d(0, 8px, 0);
  transform: translate3d(0, 8px, 0);
}

.menu-open:checked + .menu-open-button .line-1 {
  -webkit-transform: translate3d(0, 0, 0) rotate(45deg);
  transform: translate3d(0, 0, 0) rotate(45deg);
}

.menu-open:checked + .menu-open-button .line-2 {
  -webkit-transform: translate3d(0, 0, 0) scale(0.1, 1);
  transform: translate3d(0, 0, 0) scale(0.1, 1);
}

.menu-open:checked + .menu-open-button .line-3 {
  -webkit-transform: translate3d(0, 0, 0) rotate(-45deg);
  transform: translate3d(0, 0, 0) rotate(-45deg);
}

.menu {
  margin: auto;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  width: 80px;
  height: 80px;
  text-align: center;
  box-sizing: border-box;
  font-size: 26px;
}

/* .menu-item {
   transition: all 0.1s ease 0s;
} */

.menu-item:hover {
  background: #eeeeee;
  color: #3290b1;
}

.menu-item:nth-child(3) {
  -webkit-transition-duration: 180ms;
  transition-duration: 180ms;
}

.menu-item:nth-child(4) {
  -webkit-transition-duration: 180ms;
  transition-duration: 180ms;
}

.menu-item:nth-child(5) {
  -webkit-transition-duration: 180ms;
  transition-duration: 180ms;
}

.menu-item:nth-child(6) {
  -webkit-transition-duration: 180ms;
  transition-duration: 180ms;
}

.menu-item:nth-child(7) {
  -webkit-transition-duration: 180ms;
  transition-duration: 180ms;
}

.menu-item:nth-child(8) {
  -webkit-transition-duration: 180ms;
  transition-duration: 180ms;
}

.menu-item:nth-child(9) {
  -webkit-transition-duration: 180ms;
  transition-duration: 180ms;
}

.menu-open-button {
  z-index: 2;
  -webkit-transition-timing-function: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  transition-timing-function: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  -webkit-transition-duration: 400ms;
  transition-duration: 400ms;
  -webkit-transform: scale(1.1, 1.1) translate3d(0, 0, 0);
  transform: scale(1.1, 1.1) translate3d(0, 0, 0);
  cursor: pointer;
  box-shadow: 3px 3px 0 0 rgba(0, 0, 0, 0.14);
}

.menu-open-button:hover {
  -webkit-transform: scale(1.2, 1.2) translate3d(0, 0, 0);
  transform: scale(1.2, 1.2) translate3d(0, 0, 0);
}

.menu-open:checked + .menu-open-button {
  -webkit-transition-timing-function: linear;
  transition-timing-function: linear;
  -webkit-transition-duration: 200ms;
  transition-duration: 200ms;
  -webkit-transform: scale(0.8, 0.8) translate3d(0, 0, 0);
  transform: scale(0.8, 0.8) translate3d(0, 0, 0);
}

.menu-open:checked ~ .menu-item {
  -webkit-transition-timing-function: cubic-bezier(0.935, 0, 0.34, 1.33);
  transition-timing-function: cubic-bezier(0.935, 0, 0.34, 1.33);
}

.menu-open:checked ~ .menu-item:nth-child(3) {
  transition-duration: 180ms;
  -webkit-transition-duration: 180ms;
  -webkit-transform: translate3d(0.08361px, -104.99997px, 0);
  transform: translate3d(0.08361px, -104.99997px, 0);
}

.menu-open:checked ~ .menu-item:nth-child(4) {
  transition-duration: 280ms;
  -webkit-transition-duration: 280ms;
  -webkit-transform: translate3d(90.9466px, -52.47586px, 0);
  transform: translate3d(90.9466px, -52.47586px, 0);
}

.menu-open:checked ~ .menu-item:nth-child(5) {
  transition-duration: 380ms;
  -webkit-transition-duration: 380ms;
  -webkit-transform: translate3d(90.9466px, 52.47586px, 0);
  transform: translate3d(90.9466px, 52.47586px, 0);
}

.menu-open:checked ~ .menu-item:nth-child(6) {
  transition-duration: 480ms;
  -webkit-transition-duration: 480ms;
  -webkit-transform: translate3d(0.08361px, 104.99997px, 0);
  transform: translate3d(0.08361px, 104.99997px, 0);
}

.menu-open:checked ~ .menu-item:nth-child(7) {
  transition-duration: 580ms;
  -webkit-transition-duration: 580ms;
  -webkit-transform: translate3d(-90.86291px, 52.62064px, 0);
  transform: translate3d(-90.86291px, 52.62064px, 0);
}

.menu-open:checked ~ .menu-item:nth-child(8) {
  transition-duration: 680ms;
  -webkit-transition-duration: 680ms;
  -webkit-transform: translate3d(-91.03006px, -52.33095px, 0);
  transform: translate3d(-91.03006px, -52.33095px, 0);
}

.menu-open:checked ~ .menu-item:nth-child(9) {
  transition-duration: 780ms;
  -webkit-transition-duration: 780ms;
  -webkit-transform: translate3d(-0.25084px, -104.9997px, 0);
  transform: translate3d(-0.25084px, -104.9997px, 0);
}

.blue {
  background-color: #669ae1;
  box-shadow: 3px 3px 0 0 rgba(0, 0, 0, 0.14);
  text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.12);
}

.blue:hover {
  color: #669ae1;
  text-shadow: none;
}

.green {
  background-color: #70cc72;
  box-shadow: 3px 3px 0 0 rgba(0, 0, 0, 0.14);
  text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.12);
}

.green:hover {
  color: #70cc72;
  text-shadow: none;
}

.red {
  background-color: #fe4365;
  box-shadow: 3px 3px 0 0 rgba(0, 0, 0, 0.14);
  text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.12);
}

.red:hover {
  color: #fe4365;
  text-shadow: none;
}

.purple {
  background-color: #c49cde;
  box-shadow: 3px 3px 0 0 rgba(0, 0, 0, 0.14);
  text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.12);
}

.purple:hover {
  color: #c49cde;
  text-shadow: none;
}

.orange {
  background-color: #fc913a;
  box-shadow: 3px 3px 0 0 rgba(0, 0, 0, 0.14);
  text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.12);
}

.orange:hover {
  color: #fc913a;
  text-shadow: none;
}

.lightblue {
  background-color: #62c2e4;
  box-shadow: 3px 3px 0 0 rgba(0, 0, 0, 0.14);
  text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.12);
}

.lightblue:hover {
  color: #62c2e4;
  text-shadow: none;
}

.credit {
  margin: 24px 20px 120px 0;
  text-align: right;
  color: #eeeeee;
}

.credit a {
  padding: 8px 0;
  color: #c49cde;
  text-decoration: none;
  transition: all 0.3s ease 0s;
}

.credit a:hover {
  text-decoration: underline;
}

/* 
Also featured on MaterialUp!
http://www.materialup.com/posts/colourful-flower-popup-menu
*/