<!doctype html> <html> <head> <meta charset="UTF-8"> <meta name="Generator" content="EditPlus®"> <meta name="Author" content=""> <meta name="Keywords" content=""> <meta name="Description" content=""> <title>Document</title> <style type="text/css"> div { margin: 100px auto; width: 2px; height: 2px; border-radius: 1px; box-shadow: 0 -12px 0 3px black, /*上*/ 0 12px 0 1px #333, /*下*/ -12px 0 0 1px #333, /*左*/ 12px 0 0 1px #333, /*右*/ -9px -9px 0 1px #333, /*左上*/ 9px -9px 0 2px #333, /*右上*/ -9px 9px 0 1px #333, /*左下*/ 9px 9px 0 1px #333/*右下*/ ; animation: loading 2s linear 0s infinite; -webkit-animation: loading 2s linear 0s infinite; -o-animation: loading 2s linear 0s infinite; -moz-animation: loading 2s linear 0s infinite; } @keyframes loading { from { transform: rotate(0deg); } to { transform: rotate(360deg); } } @-webkit-keyframes loading { from { -webkit-transform: rotate(0deg); } to { -webkit-transform: rotate(360deg); } } @-o-keyframes loading { from { -o-transform: rotate(0deg); } to { -o-transform: rotate(360deg); } } @-moz-keyframes loading { from { -moz-transform: rotate(0deg); } to { -moz-transform: rotate(360deg); } } </style> </head> <body> <div id="loading"></div> </body> </html>
效果图: