h1{
        font-size: 26px;
    }
    @media screen and (max-device-width: 480px) {
        /* some CSS here */
        .container{
            max-width: 250px;
        }
    }
    @media screen and (min-device-width: 480px){
        /* some CSS here */
        .container{
            max-width: 300px;
            text-align: center;
        }
        body{
            background: url('/images/bg.png') no-repeat center 0;
            background-size: cover;
            background-attachment:fixed;
        }
        .page-header{
            margin-top: 0px;
        }
        .boxHolder {
            background: none repeat scroll 0 0 #FFFFFF;
            border-radius: 4px;
            box-shadow: 0 1px 1px rgba(0, 0, 0, 0.1);
            font-size: 13px;
            margin-left: auto;
            margin-right: auto;
            margin-top: 100px;
            padding: 40px;
            width: 400px;
        }
    }