div.embedded-code {
    text-align: left;
    border: 1px solid #cacaca;
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 1em;
}

    div.embedded-code header.embedded-code-header {
        background: #9c9;
        background: linear-gradient(to bottom, #9c9, #8b8);
        
        padding: 0 4px;
        line-height: 1.5;
    }

        div.embedded-code > header.embedded-code-header a {
            color: #143a14;
            padding: 0 2px;
        }
        div.embedded-code > header.embedded-code-header a:visited {
            color: #143a14;
        }
        div.embedded-code > header.embedded-code-header a:active {
            color: #eee;
        }
        div.embedded-code > header.embedded-code-header a:hover {
            color: #143a14;
            text-decoration: underline;
            background-color: #59cd59;
            border-radius: 3px;
        }

    div.embedded-code > pre {
        font-family: "Inconsolata", "Lucida Console", "DejaVu Sans Mono", monospace;
        background: #e2e2e2;
        font-size: 1.2rem;
        line-height: 1.15;
        border-top: 1px solid #cacaca;

        white-space: pre;
        overflow-x: auto;
        width: auto;
    }
        div.embedded-code > pre > code {
            font-family: inherit;
            white-space: pre;
            counter-reset: code-line;
        }
            div.embedded-code > pre > code > span.line:before {
                content: counter(code-line);
                display: inline-block;
                background: #ccc;
                color: #444;
                text-align: right;
                width: 2.5em;
                padding-right: 0.5em;
                border-right: 1px solid #333;
                margin-right: 0.2em;
            }
            div.embedded-code > pre > code > span.line {
                counter-increment: code-line;
                display: inline-block;
                border-top: 1px solid #ccc;
                margin-top: -1px;
            }