/* 代码整理：时代Java NowJava.com */
html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, font, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td {
	margin:0;
	padding:0;
	border:0;
	outline:0;
	font-size:100%;
	vertical-align:baseline;
	background:transparent
}
body {
	line-height:1
}
ol, ul {
	list-style:none
}
blockquote, q {
	quotes:none
}
blockquote:before, blockquote:after, q:before, q:after {
	content:'';
	content:none
}
:focus {
	outline:0
}
ins {
	text-decoration:none
}
del {
	text-decoration:line-through
}
table {
	border-collapse:collapse;
	border-spacing:0
}
div#demo {
	margin: 50px auto 50px auto;
	text-align: center;
}

div#demo ul#menu {
    margin: 5px 0px;
    list-style: none;
    display: inline-block;
}
    
div#demo ul#menu li {
    padding: 0px;
    float: left;
    position: relative;
    margin-left: 5px;
    margin-right: 5px;
    width: 48px;
    height: 48px;
}

div#demo ul#menu li a {
    position: absolute;
}

div#demo ul#menu li img {
    position: absolute;
    width: 48px;
    top: 0px;
    left: 0px;
    padding: 0px;
    margin: 0 8px 0 0;
    border: none;
    overflow: hidden;
}