html
	{
		font: 12px arial;
	}

body
	{
		text-align: center;
		min-width: 439 px;
	}
	
#wrapper
	{
	text-align: left;
	width: 439px;
	background: url(img/bg.png) no-repeat;
	padding-top: 120px;
	margin-left: auto;
	margin-right: auto;
	}
.button_1 {
	width: 365px;
	height: 80px;
	margin-left: auto;
	margin-right: auto;
}
.button_1 a {
	display: block;
	width: 365px;
	height: 80px;
	background-image: url(img/1.png);
	background-repeat: no-repeat;
	background-position: left top;
}

.button_1 a:hover {
background-position: top right;
}
.button_2 {
	width: 365px;
	height: 80px;
	margin-left: auto;
	margin-right: auto;
}
.button_2 a {
	display: block;
	width: 365px;
	height: 80px;
	background-image: url(img/2.png);
	background-repeat: no-repeat;
	background-position: left top;
}

.button_2 a:hover {
background-position: top right;
}
.button_3 {
	width: 365px;
	height: 91px;
	margin-left: auto;
	margin-right: auto;
}
.button_3 a {
	display: block;
	width: 365px;
	height: 91px;
	background-image: url(img/3.png);
	background-repeat: no-repeat;
	background-position: left top;
}

.button_3 a:hover {
background-position: top right;
}