|  | <!DOCTYPE html> | 
|  | <meta charset="utf-8"> | 
|  | <title>CSS Transitions Test: transition-property - border-right-width</title> | 
|  | <link rel="author" title="Intel" href="http://www.intel.com"> | 
|  | <link rel="author" title="Shiyou Tan" href="mailto:shiyoux.tan@intel.com"> | 
|  | <link rel="help" href="https://drafts.csswg.org/web-animations-1/#animation-type"> | 
|  | <link rel="help" href="https://drafts.csswg.org/css-backgrounds-3/#the-border-width"> | 
|  | <meta name="assert" content="Test checks that the 'border-right-width' property is animatable."> | 
|  | <style> | 
|  | #test { | 
|  | border: 5px solid blue; | 
|  | height: 90px; | 
|  | transition-duration: 2s; | 
|  | transition-property: border-right-width; | 
|  | transition-timing-function: linear; | 
|  | width: 90px; | 
|  | } | 
|  | </style> | 
|  | <body> | 
|  | <p>Click the square with blue border below. Test passes if the width of right border grows gradually not immediately until it stops.</p> | 
|  | <div id="test"></div> | 
|  | <script> | 
|  | (function() { | 
|  | var div = document.querySelector("#test"); | 
|  | div.addEventListener("click", function(evt) { | 
|  | div.setAttribute("style", "border-right-width: 20px;"); | 
|  | }, false); | 
|  | })(); | 
|  | </script> | 
|  | </body> |