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<!DOCTYPE html> <html> <head> <style> div { width:100px; height:100px; background:red; position:relative; animation:mymove 5s infinite; animation-delay:-2s; /*Safari and Chrome*/ -webkit-animation:mymove 5s infinite; -webkit-animation-delay:-2s; } @keyframes mymove { from {left:0px;} to {left:200px;} } @-webkit-keyframes mymove /*Safari and Chrome*/ { from {left:0px;} to {left:200px;} } </style> </head> <body> <p><strong>注释：</strong>Internet Explorer 9 以及更早的版本不支持 animation-delay 属性。</p> <div></div> </body> </html>