@charset 'utf-8';
html,body{width:100%;height:100%;margin:0;padding:0;}


.bg{
    position: relative;
    margin: 0 auto;
	overflow: hidden;
	width: 900px;
	padding-top: 20px;
	padding-bottom: 50px;
}

.bg img{
	position: relative;
	margin: 0 auto;
	width: 900px;
}