scrollbars.css

// the @media stuff is for viewers on mobile devices

html {
    overflow: hidden;
}

@media only screen and (max-device-width:480px) {
    html {
        overflow: auto;
    }
}

body {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 10px; // could be a different value
    overflow-y: scroll;
    overflow-x: hidden;
}

@media only screen and (max-device-width:480px) {
    body {
        position: relative;
        top: auto;
        right: auto;
        bottom: auto;
        left: auto;
        overflow: auto;
    }
}