common.xml

<bbxml>
    <classes>
        <class name="ch">
            background-color: #efefef;
            display: inline;
            font-family: monospace;
            margin: 0;
            padding: 0;
        </class>

        <class name="highlight">
            display: inline;
            margin: 0;
            padding: 0;
            background-color:
        </class>

        <class name="p">
            display: block;
            margin-bottom: 5px;
            text-align: justify;
            text-indent: 10px;
        </class>
    </classes>
</bbxml>