Animation-direction property :
normal
- The animation is played as normal (forwards). This is defaultreverse
- The animation is played in reverse direction (backwards)alternate
- The animation is played forwards first, then backwardsalternate-reverse
- The animation is played backwards first, then forwards<!DOCTYPE html> <html> <head> <title>How To Use CSS Animation Direction Property With HTML</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css"/> </head> <style> body { background: #ff944d; } .div1 { width: 100px; height: 100px; background-color: red; position: relative; animation-name: example; animation-duration: 4s; animation-direction: reverse; } @keyframes example { 0% {background-color:red; left:0px; top:0px;} 25% {background-color:yellow; left:200px; top:0px;} 50% {background-color:blue; left:200px; top:200px;} 75% {background-color:green; left:0px; top:200px;} 100% {background-color:red; left:0px; top:0px;} } .div2{ width: 100px; height: 100px; background-color: red; position: relative; animation-name: example2; animation-duration: 4s; animation-iteration-count: 2; animation-direction: alternate; } @keyframes example2 { 0% {background-color:red; left:0px; top:0px;} 25% {background-color:yellow; left:200px; top:0px;} 50% {background-color:blue; left:200px; top:200px;} 75% {background-color:green; left:0px; top:200px;} 100% {background-color:red; left:0px; top:0px;} } .div3{ width: 100px; height: 100px; background-color: red; position: relative; animation-name: example3; animation-duration: 4s; animation-iteration-count: 2; animation-direction: alternate-reverse; } @keyframes example3 { 0% {background-color:red; left:0px; top:0px;} 25% {background-color:yellow; left:200px; top:0px;} 50% {background-color:blue; left:200px; top:200px;} 75% {background-color:green; left:0px; top:200px;} 100% {background-color:red; left:0px; top:0px;} } </style> <body> <br/><br/> <div class="container"> <br> <div class="text-center"> <h1 id="color" style="color: white;">CSS Animation Direction Property With HTML</h1> </div> <br> <div class="col-md-12"> <div class="well"> <div class="col-md-6"> <div class="div1" ></div><br> </div> <div class="col-md-6"> <div class="div2"></div><br> </div> <div class="col-md-6"> <div class="div3"></div><br> </div> </div> </div> </div> </body> </html>