body {

    font: 1em/150% Arial, Helvetica, sans-serif;
    
    }
    
    a {
    
    color: #669;
    
    text-decoration: none;
    
    }
    
    a:hover {
    
    text-decoration: underline;
    
    }
    
    h1 {
    
    font: bold 36px/100% Arial, Helvetica, sans-serif;
    
    }
    
    /************************************************************************************
    5
    STRUCTURE
    
    *************************************************************************************/
    
    #pagewrap {
    
    padding: 5px;
    
    width: 960px;
    
    margin: 20px auto;
    
    }
    
    #header {
    
    height: 180px;
    
    }
    
    #content {
    
    width: auto;
    
    float: center;
    
    }
    
    #sidebar {
    
    width: 300px;
    
    float: right;
    
    }
    
    #footer {
    
    clear: both;
    
    }
    
    /************************************************************************************
    
    MEDIA QUERIES
    
    *************************************************************************************/
    
    /* for 980px or less */
    
    @media screen and (max-width: 980px) {
    
    #pagewrap {
    
    width: 94%;
    
    }
    
    #content {
    
    width: 63%;
    
    }
    
    #sidebar {
    
    width: 30%;
    
    }
    
    }
    
    /* for 700px or less */
    
    @media screen and (max-width: 700px) {
    
    #content {
    
    width: auto;
    
    float: none;
    
    }
    
    #sidebar {
    
    width: auto;
    
    float: none;
    
    }
    
    }
    
    /* for 480px or less */
    
    @media screen and (max-width: 480px) {
    
    #header {
    
    height: auto;
    
    }
    
    h1 {
    
    font-size: 24px;
    
    }
    
    #sidebar {
    
    display: none;
    
    }
    
    }
    
    /* border & guideline (you can ignore these) */
    
    #content {
    
    
    }
    
    #sidebar {
    
    background: #f0efef;
    
    }
    
    #header, #content, #sidebar {
    
    margin-bottom: 5px;
    
    }
    
    #pagewrap, #header, #content, #sidebar, #footer {
    
    border: solid 1px #ccc;
    
    }
	
	.background{
		background-position:center center;
		top:0;
		left:0;
		right:0;
		bottom:0;
		background:url(img/beijing.jpg) no-repeat;
		z-index:1;
		background-attachment:fixed;
		background-size:cover;
	
	}