0,700,300">
    <style>
        body {
            background-color: #455a64;
            font-family: 'Raleway', sans-serif;
        }

        body::after {
            content: "";
            background: url(bg.jpg) no-repeat center center fixed;
            -webkit-background-size: cover;
            -moz-background-size: cover;
            -o-background-size: cover;
            background-size: cover;
            opacity: 0.2;
            top: 0;
            left: 0;
            bottom: 0;
           