JSFiddle - React, Tailwind, and code Playground

by Gwyn Milcote

HTML

retic gene list
<link rel="stylesheet"  href="https://fonts.googleapis.com/css?family=Cabin">

<p>Helpful info sources: 
<ul>
    <li><a href='https://ball-pythons.net/forums/showthread.php?224687-Morph-Guide-Python-Reticulatus-With-notes-on-locale-size-origination'>Gene list</a></li>
    <li><a href='https://www.morphmarket.com/us/c/reptiles/pythons/reticulated-pythons/index'>Morph Market, so many photos to search!</a></li>
</ul>
</p>

<div class='section round' id='locus_a'>
    <div class='title' data-locus='a'>Albino (A locus)</div>
    <div class='content hidden'>
    <div class='images'>
	    
        <div class='image'>
		    <img src='https://morphmarket-media.s3.amazonaws.com/media/cache/58/51/5851272ccd44cc0680b670e82ecc6357.jpg' loading='lazy' alt='description'>
			<br>White albino
		</div>
        <div class='image'>
		    <img src='https://morphmarket-media.s3.amazonaws.com/media/cache/27/24/27241d6c28a25e4caa0917d7fc6b3c1b.jpg' loading='lazy' alt='description'>
			<br>White albino
		</div>
		<div class='image'>
		    <img src='https://morphmarket-media.s3.amazonaws.com/media/cache/d0/65/d065809a2d64eb056ffaedb8de3d045b.jpg' loading='lazy' alt='description'>
			<br>Purple albino
		</div>
		<div class='image'>
		    <img src='https://morphmarket-media.s3.amazonaws.com/media/cache/e4/44/e44468d5db41d1413ff1bbcca31e7b2a.jpg' loading='lazy' alt='description'>
			<br>Purple albino
		</div>
		<div class='image'>
		    <img src='https://morphmarket-media.s3.amazonaws.com/media/cache/2c/ca/2ccac7efc85b9d11d1dce768d4d166f8.jpg' loading='lazy' alt='description'>
			<br>Lavender
		</div>
        <div class='image'>
		    <img src='https://morphmarket-media.s3.amazonaws.com/media/cache/af/0c/af0ce295ad7fb61443641fc2074dc9b9.jpg' loading='lazy' alt='description'>
			<br>Lavender
		</div>
        <div class='image'>
		    <img src='https://morphmarket-media.s3.amazonaws.com/media/cache/bc/f4/bcf484810331e7d7417a206fe6868989.jpg' loading='lazy'...

CSS

img, div, button {
    box-sizing: border-box;
}

html, body {
    color: rgba(0, 0, 0, 0.7);
    font-family: 'Cabin', sans-serif;
}

.hidden, .hoverbox {
	display: none;
}

.round {
    border-radius: 5px;
    background-clip: padding-box;
}

.flex {
    display: flex;
    flex-flow: row wrap;
}
.between {
    justify-content: space-between;
}


.section {
	margin: 10px auto;
	box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.5);
	background-color: #fff;
    overflow: hidden;
}

.section .title {
	font-size: 25px;
    padding: 15px;
    cursor: pointer;
}

.section .content {
    padding: 15px;
}

.section .alleles {
	padding: 10px;
    min-width: 30%; /* Up to 3 loci in a line */
	display: flex;
	justify-content: center;
    align-items: center;
	background-color: #fff;
	font-size: 20px;
}

.section .alleles .allele {
	padding: 10px;
    background-color: rgba(255, 255, 255, 0.2);
	margin: 0px 10px;
	cursor: pointer;
	transition: 0.3s;
}

.section .alleles .allele:hover {
	background-color: rgba(255, 255, 255, 0.4);
	transition: 0.3s;
}

.section .images {
	margin: 10px auto;
	display: flex;
    flex-flow: row wrap;
	justify-content: space-evenly;
}

.section .image {
	text-align: center;
    /*width: 150px;*/
    margin: 5px;
}

.section .image img {
	height: 150px;
    width: auto;
	max-width: 250px;
    border-radius: 5px;
}

#locus_choc .title, #locus_choc .alleles {
    background-color: #996759;
    background-image: linear-gradient(to right, #7A5136, #A87B5C);
}
#locus_di .title, #locus_di .alleles {
    background-color: #EBD19F;
    background-image: linear-gradient(to right, #E6C283, #FAE7C5);
}
#locus_bl .title, #locus_bl .alleles {
    background-color: #9EA5B8;
    background-image: linear-gradient(to right, #717282, #C5C6D4);
}
#locus_mh .title, #locus_mh .alleles {
    background-color: #CF614B;
    background-image: linear-gradient(to right, #963B1C, #E3744F);
}
#locus_lav .title, #locus_lav .alleles {
    background-color: #E0D8E8;
   ...

JavaScript

$(".section .title").click(function(){
    var locus = $(this).data("locus");
    $("#locus_" + locus + " .content").toggleClass("hidden");
});