    /**
     * styles for blackboard theme
     */
    pre {
        background: #0B1022;
        white-space: pre-wrap;
        white-space: -moz-pre-wrap;
        white-space: -pre-wrap;
        white-space: -o-pre-wrap;
        word-wrap: break-word;
        margin: 0px;
        padding: 0px;
        padding: 10px;
        color: #fff;
        font-size: 14px;
        margin-bottom: 20px;
    }

    pre, code {
        font-family: 'Monaco', courier, monospace;
    }

    pre .comment {
        color: #727272;
    }

    pre .constant {
        color: #D8FA3C;
    }

    pre .storage {
        color: #FBDE2D;
    }

    pre .string {
        color: #61CE3C;
    }

    pre .keyword, pre .selector {
        color: #FBDE2D;
    }

    pre .parent {
        font-style: italic;
    }

    pre .entity {
        color: #FF6400;
    }

    pre .support {
        color: #8DA6CE;
    }