Hyperlinks in the Accordion block not underlined

Site URL: https://www.theco-co.com/faqs

Any suggestions on how to get the underlines to show in the accordion block? THey show elsewhere on the site. I have them turned off for the footer.

Thanks.

Add to Design > Custom CSS

/* Accordion Hyperlink Underlines */
div.accordion-block a {
    border-bottom: 1px solid;
}