CSS

@keyframes

p {
  animation-duration: 25s;
  animation-name: slidein;
}

@keyframes slidein {
  from {
    margin-left: 100%;
    width: 300%;
  }
  75% {
    font-size: 300%;
    margin-left: 25%;
    width: 150%;
  }

  to {
    margin-left: 0%;
    width: 100%;
  }
}

css keyframes

@keyframes mymove {
  from {top: 0px;}
  to {top: 200px;}
}

keyframe in css

@keyframes mymove {
  0% {top: 0px;}
  50% {top: 50px;}
  75% {top: 40px;}
  100%{top: 0px;}
}

css keyframes

 .progress-bar{
   background-color: #fff;
   height: 4px;
   width: 100%;
   animation: grow 3s linear infinite;
   transform-origin: left;

 }
 @keyframes grow{
   0%{
      transform: scaleX(0);
   }
 }

keyframes

/* @keyframes duration | easing-function | delay |
iteration-count | direction | fill-mode | play-state | name */
animation: 3s ease-in 1s 2 reverse both paused slidein;