hueRotate.css

#colorwheel {
    position: absolute;
    width: 200px;
    height: 50px;
    border-left: 50px solid #0f0;
    transition: 5s ease-in-out;
    margin: 200px;
}
.colorwheel--coolio {
  -webkit-filter: hue-rotate(360deg);
  filter: hue-rotate(360deg);
  -webkit-transform: rotate(-360deg);
  -moz-transform: rotate(-360deg);
  -ms-transform: rotate(-360deg);
  -o-transform: rotate(-360deg);
  transform: rotate(-360deg);
}
.colorwheel--huge {
    width: 5000px;
    height: 200px;
}

.colorwheel {
    height: 150px;
    position: absolute;
    margin: 150px;
    border-left: 100px solid transparent;
}
.clickMe {
  -webkit-align-self: center;
  -ms-flex-item-align: center;
  align-self: center;
  border: 3px solid #343436;
  background: #343436;
  -webkit-appearance: none;
  font-size: 1rem;
  text-shadow: none;
  line-height: 1.2;
  display: inline-block;
  border: 0;
  outline: 0;
  padding: 10px 16px;
  position: relative;
  border-radius: 3px;
  border: 3px solid transparent;
  color: white;
  cursor: pointer;
  white-space: nowrap;
  text-overflow: ellipsis;
  cursor: pointer;
  text-align: center;
}
body{
  background-color: #222324
}