* {
	margin:0px;
	padding:0px;
}
body {
	background:url(http://www.jq22.com/img/cs/500x300-1.png) center no-repeat;
}
#mac {
	position:absolute;
	bottom:12px;
	height:120px;
	padding:50px 0px 0px;
	text-align:center;
	width:100%;
}
img {
	width:48px;
}
li {
	float:left;
	list-style:none;
	display:block;
	width:50px;
	height:50px;
	margin:60px 0px 4px 0px;
	text-align:center;
	-webkit-transition:0.15s linear;
	-webkit-transition-property:-webkit-transform margin;
}
li:hover {
	margin-left:9px;
	margin-right:9px;
	z-index:200;
}
li a {
	display:block;
	height:50px;
	padding:0px 1px;
	-webkit-transition:0.15s linear;
	-webkit-transition-property:-webkit-transform margin;
}
li:hover a {
	-webkit-transform:scale(1.5);
	-webkit-transform-origin:center bottom;
}
li span {
	position:absolute;
	bottom:80px;
	margin:0px auto;
	display:none;
	padding:3px 6px;
	width:auto;
	font-weight:bold;
}
li:hover span {
	display:block;
}
ul {
	height:130px;
	overflow:hidden;
	padding:0px 40px 0px 0px;
	margin:0px 0px 0px 40px;
}
.ma {
	width:100% auto;
	display:inline-block;
}