Animation How to - Make CSS-moving text from left to right with keyframe

Question

We would like to know how to make CSS-moving text from left to right with keyframe.

Answer


<!DOCTYPE html>
<html>
<head>
<style type='text/css'>
.wrapper {<!--   w  w w.  ja v  a  2s  .  com-->
  max-width: 400px;
  background: green;
  height: 40px;
  text-align: right;
}

.marquee {
  background: red;
  white-space: nowrap;
  -webkit-animation: rightThenLeft 4s linear;
}

@-webkit-keyframes rightThenLeft { 
   0% {margin-right: 0;}
   50%{margin-right:100%;}
   100%{margin-right:0;}
}
</style>
</head>
<body>
  <div class="wrapper">
    <span class="marquee">This is a marquee!</span>
  </div>
</body>
</html>

The code above is rendered as follows: