JSFiddle - React, Tailwind, and code Playground

HTML

<div class="box" id="box1">Box 1</div>
<div class="box" id="box2">Box 2</div>
<div class="box" id="box3">Box 3</div>
<div class="box" id="box4">Box 4</div>
<div class="box" id="box5">Box 5</div>
<div class="box" id="box6">Box 6</div>
<div class="box" id="box7">Box 7</div>
<div class="box" id="box8">Box 8</div>
<div class="box" id="box9">Box 9</div>
<div class="box" id="box10">Box 10</div>
<div class="box" id="box11">Box 11</div>
<div class="box" id="box12">Box 12</div>
<div class="box" id="box13">Box 13</div>
<div class="box" id="box14">Box 14</div>
<div class="box" id="box15">Box 15</div>
<div class="box" id="box16">Box 16</div>
<div class="box" id="box17">Box 17</div>
<div class="box" id="box18">Box 18</div>
<div class="box" id="box19">Box 19</div>
<div class="box" id="box20">Box 20</div>

CSS

div.box {
  width: 100px;
  height: 63px;
  background-color: #52c6ec;
  margin: 5px;
  padding-top: 37px;
  float: left;
  text-align: center;
  color: #fff;
  font-weight: bold;
}

JavaScript

$('.box').click(function() {
  $('.box').not(this).fadeToggle(250);
});