Not able to parse the css file

[<bajajgaurav86 AT gmail.com>]

The css file is:

node {
        size: 3px;
        fill-color: #777;
        text-mode: hidden;
        z-index: 0;
}

edge {
        shape: line;
        fill-color: #222;
        arrow-size: 3px, 2px;
}