<style>
    :root {
        /* Primary theme color sunglow */
        --primary-color: #ffd700;
        /* Primary theme text color outer space */
        --primary-text-color: #063b49;
        /* Primary theme link color purple heart */
        --primary-link-color: #011ca2;
        /* Secondary color: the background body color white */
        --secondary-color: #eeeeee;
        --secondary-text-color: #3b3402;
        /* Highlight text color of table of content denim */
        --toc-highlight-text-color: #354ea9;
    }
</style>