What is needed for image maps & highlighting them:
* 1 replit [html5/js/css] container
* an image
* be able to use image-map.net
* image dimensions (just the width & height; this will be useful for consistency)
* [data-imgsize="{width_of_image}x{height_of_image}" " class="map"] inside of html "img" tag
* https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js
* https://cdnjs.cloudflare.com/ajax/libs/maphilight/1.4.0/jquery.maphilight.min.js
* [$(function() {$('.map').maphilight();});] inside of html "script" tag
update the .maphilight(); to .maphilight({fillColor: '008800'}); or any color really
* links
below is a reference manual that should help some. If you need a visual, there is the youtube link below as well.