html {
		font-family: 'Open Sans', Helvetica, Arial, sans-serif;
		background-color: #fff;
		font-weight: 300;
	}
	body {
		margin: 0px;
		padding: 0px;
	}
	.documentation {
		width: 1100px;
		margin: 0px auto;
		padding: 100px 0px;
	}
	.documentation h3, p {
		text-align: center;
	}
	.documentation h3 {
		margin: 0px 0px 20px 0px;
		font-weight: 300;
		font-size: 2em;
	}
	a, a:visited {
		color: #E54028;
		text-decoration: none;
	}
	a:hover {
		color: #c22d18;
		text-decoration: underline;  
		cursor: pointer;
	}
	
	.img_01{ background:url(../img/lunbo1.jpg) no-repeat center;width:100%;height:906px;background-size: cover; display: table; display:block;}
	.img_02{ background:url(../img/lunbo2.jpg) no-repeat center;width:100%;height:906px;background-size: cover; display: table;display:block;}