How to use the terriajs/lib/ReactViews/Map/Panels/panel.scss.heading function in terriajs

function RelatedMaps(props) {
    const dropdownTheme = {
        inner: Styles.dropdownInner
    };

    return (
        
            <div>
                <label>Related Maps</label>
            </div>

            <p>
                Clicking on a map below will open it in a separate window or tab.
            </p>

            <div>
                <a href="http://nationalmap.gov.au/renewables/">
                    <img alt="AREMI" src="{require('../../wwwroot/images/aremi.jpg')}">
                </a>

                <a href="http://nationalmap.gov.au/renewables/">AREMI</a>

                <p>
                    AREMI provides access to Australian spatial data relevant to the Renewable Energy industry,</p></div>