源代碼
點擊運行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>教程</title> <style> #myDIV { margin: auto; border: 1px solid black; outline: coral solid 5px; width: 300px; height: 300px; -webkit-animation: mymove 5s infinite; /* Chrome, Safari, Opera */ animation: mymove 5s infinite; } /* Chrome, Safari, Opera */ @-webkit-keyframes mymove { 50% {outline-width: 50px;} } /* Standard syntax */ @keyframes mymove { 50% {outline-width: 50px;} } </style> </head> <body> <p>逐步改變 outline-width 屬性,從 5px 到 50px:<p> <div id="myDIV"></div> <p>outline-width 屬性支持動畫傚果。</p> <p><b>注意:</b>Internet Explorer 9 及更早 IE 版本不支持 CSS 動畫。</p> </body> </html>
運行結果