http://www.youtube.com/
你看到"搜索buttoN".这太好了.
只要看看他们的CSS.
.yt-uix-button { height:2.0833em; border:1px solid #ccc; background:#f6f6f6; background-image:0; filter:progid:DXImageTransform.Microsoft.Gradient(startColorStr=#ffffff,endColorStr=#efefef); -ms-filter:"progid:DXImageTransform.Microsoft.Gradient(startColorStr=#FFFFFF, endColorStr=#EFEFEF)"; -moz-border-radius:3px; -webkit-border-radius:3px; border-radius:3px; white-space:nowrap; vertical-align:middle; cursor:pointer; overflow:visible; padding:0 .5em; } .yt-uix-button:hover { -webkit-box-shadow: #999 0px 0px 3px; background: #F3F3F3 -webkit-gradient(linear, 0% 0%, 0% 100%, from(white), to(#EBEBEB)); background-image: -webkit-gradient(linear, 0% 0%, 0% 100%, from(white), to(#EBEBEB)); border-color: #999; outline: 0px; }