返回顶部浮动图标代码
代码使用很简单，只需要将HTML代码，和jQuery代码放入到网页的尾部即可。另外你可能还需要和我一样盗用人人网的返回顶部图片一张。
A {COLOR: #3354aa; TEXT-DECORATION: none;BORDER-BOTTOM: 0px; BORDER-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; OUTLINE-style: none; OUTLINE-COLOR: invert; PADDING-LEFT: 0px; OUTLINE-WIDTH: 0px; PADDING-RIGHT: 0px; BACKGROUND: none transparent scroll repeat 0% 0%; FONT-SIZE: 100%; VERTICAL-ALIGN: baseline; BORDER-TOP: 0px; BORDER-RIGHT: 0px; PADDING-TOP: 0px}A:hover {BORDER-BOTTOM: medium none; COLOR: #444}.back-to {Z-INDEX: 999; POSITION: fixed; WIDTH: 110px; BOTTOM: 35px; OVERFLOW: hidden; RIGHT: 10px}.back-to .back-top {TEXT-INDENT: -9999em; OUTLINE-style: none; OUTLINE-COLOR: invert; OUTLINE-WIDTH: 0px; WIDTH: 50px; DISPLAY: block; BACKGROUND: url(http://www.ccvita.com/usr/themes/ccvita/images/back-top.png) no-repeat 0px 0px; FLOAT: right; HEIGHT: 50px; MARGIN-LEFT: 10px}.back-to .back-top:hover {BACKGROUND-POSITION: -50px 0px}