After inserting the saved module "Accordion," copy and paste this code to the "CSS" IN THE UPPER LEFT - CLICK THE DOWN ARROW (in the box that says "Currently Editing Page") then under Tools > Layout CSS/Javascript (copy and paste from the Text editor, not visual editor). Do not copy this bolded intro text:

.fl-accordion-item:nth-child(odd) {
background: #8BBF57;
border: none;
color: #fff;
}

.fl-accordion-item:nth-child(even) {
background: #6DBFE2;
border: none;
color: #fff;
}

.fl-accordion-content {
background: #fff;
border: none;
}

.fl-accordion-small .fl-accordion-content {
padding-top: 20px;
}

.fl-accordion-button-icon {
opacity: 1;
}