body{
	margin: 0;
	padding: 0;
	text-align: center;
	min-width: 800px;
	min-height: 600px;
}
div#wrap{
	position: relative;
	margin: 0;
	padding: 0;
	width: 100%;
	height: 100%;
	text-align: center;
	z-index: 999998;
}
div.btn{
	position: absolute;
	top: -70px;
	bottom: 0;
	left: 41px;
	right: 0;
	width: 680px;
	height: 280px;
	z-index: 999999;
	margin: auto;
}
div.btn ul{
	width: 680px;
	margin: 0 auto;
}
div.btn ul li{
	float: left;
	width: 280px;
	height: 280px;
	margin: 0 30px;
	overflow: hidden;
}
div.btn ul li a{
	display: block;
	text-indent: -9999px;
	width: 280px;
	height: 280px;
	-webkit-transition: all 1s ease;
	-moz-transition: all 1s ease;
	-o-transition: all 1s ease;
	
}
#menu01,#menu02,#menu03{
	/*display: none;*/
}
div.btn ul li.menu01 a{
	background: url(../img/btn01.png) no-repeat;
}
div.btn ul li.menu01 a:hover{
	background: url(../img/btn01_on.png) no-repeat;
}
div.btn ul li.menu02 a{
	background: url(../img/btn02.png) no-repeat;
}
div.btn ul li.menu02 a:hover{
	background: url(../img/btn02_on.png) no-repeat;
}
div.btn ul li.menu03 a{
	background: url(../img/btn03.png) no-repeat;
}
div.btn ul li.menu03 a:hover{
	background: url(../img/btn03_on.png) no-repeat;
}