.selector {
  position: relative;
  left: 50%;
  top: 115px;
  width: 140px;
  height: 140px;
  margin-top: -70px;
  margin-left: -70px;
}

.selector button {
  position: relative;
  width: 100%;
  height: 100%;
  padding: 10px;
  background: #df4727;
  border-radius: 50%;
  border: 0;
  color: white;
  font-size: 1.4em;
  font-weight:bold;
  cursor: pointer;
  box-shadow: 0 3px 3px rgba(0, 0, 0, 0.1);
  transition: all .1s;
}

.selector button:hover { background: red; }

.selector button:focus { outline: none; }

.selector ul {
  position: absolute;
  list-style: none;
  padding: 0;
  margin: 0;
  top: -4px;
  right: -20px;
  bottom: -4px;
  left: -20px;
}

.selector li {
  position: absolute;
  width: 0;
  height: 100%;
  margin: 0 50%;
  -webkit-transform: rotate(-360deg);
  transition: all 0.8s ease-in-out;
}

.selector li input { display: none; }

.selector li * {
  position: absolute;
  left: 50%;
  bottom: 100%;
  width: 0;
  height: 0;
  line-height: 1px;
  margin-left: 0;
  background: #000;
  color:#fff;
  border-radius: 50%;
  text-align: center;
  overflow: hidden;
  cursor: pointer;
  box-shadow: none;
  text-decoration:none;
  transition: all 0.8s ease-in-out, color 0.1s, background 0.1s;
}

.selector li *:hover { background: #DF4706; }

.selector.open li * {
  width: 40px;
  height: 40px;
  line-height: 40px;
  margin-left: -20px;
  box-shadow: 0 3px 3px rgba(0, 0, 0, 0.1);
  padding-left: 6px;
}