@keyframes example {
  0%   {background-color: red;}
  25%  {background-color: yellow;}
  50%  {background-color: blue;}
  100% {background-color: green;}
}

/* ### EXAMPLE SETTING CODE ###  
  animation-name: example;
  animation-duration: 4s;
  animation-iteration-count: 2;
  animation-direction: alternate-reverse;
  animation-delay: -2s;
  animation-fill-mode: forwards;
  animation-timing-function: ease-in-out;}
	
  ### SAME ABOVE ANIMATION IN ONE LINE CODE ###
  animation: example 5s linear 2s infinite alternate;
*/