CSS3 圆角按钮
<html><head><title>My project</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><style>.button {display: inline-block;outline: none;cursor: pointer;text-align: center;text-decoration: none;font: 14px/100% Arial, Helvetica, sans-serif;padding: .5em 2em .55em;text-shadow: 0 1px 1px rgba(0,0,0,.3);-webkit-border-radius: .5em; -moz-border-radius: .5em;border-radius: .5em;-webkit-box-shadow: 0 1px 2px rgba(0,0,0,.2);-moz-box-shadow: 0 1px 2px rgba(0,0,0,.2);box-shadow: 0 1px 2px rgba(0,0,0,.2);}.button:hover {text-decoration: none;/*box-shadow: 0 1px 2px rgba(12,0,0,.2);*/}.button:active {position: relative;top: 1px;}.orange {color: #fef4e9;border: solid 1px #da7c0c;border-radius: 5px; -moz-border-radius: 5px; -khtml-border-radius: 5px; -webkit-border-radius: 5px;background: #f78d1d;background: -webkit-gradient(linear, left top, left bottom, from(#faa51a), to(#f47a20));background: -moz-linear-gradient(top, #faa51a, #f47a20);filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#faa51a', endColorstr='#f47a20');}.orange:hover {background: #f47c20;background: -webkit-gradient(linear, left top, left bottom, from(#f88e11), to(#f06015));background: -moz-linear-gradient(top, #f88e11, #f06015);filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#f88e11', endColorstr='#f06015');}.orange:active {color: #fcd3a5;background: -webkit-gradient(linear, left top, left bottom, from(#f47a20), to(#faa51a));background: -moz-linear-gradient(top, #f47a20, #faa51a);filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#f47a20', endColorstr='#faa51a');}/* CSS container shadow */</style></head><body><input type="button" value="test" /></body></html>?