JSFiddle - React, Tailwind, and code Playground

HTML

<body>
<div id="calculadora">
	<form class="form-calc">
      <table class="calculadora">
      <tr>
      	 <th class="semBorda-bottom">Qtd. Parc.</th>
     	 <th class="semBorda-bottom">Valr. Parc.</th>
     	 <th class="semBorda-bottom">Total Parc.</th>
      </tr>
      <tr>
        <td class="bordaPreta">
          <select class="centralizado lista qtd-parc" type="text"  name="qtd-parc" placeholder="1"/>
			<option value="1" selected>1</option>
			<option value="2">2</option>
			<option value="3">3</option>
			<option value="4">4</option>
			<option value="5">5</option>
			<option value="6">6</option>
			<option value="7">7</option>
			<option value="8">8</option>
			<option value="9">9</option>
			<option value="10">10</option>
			<option value="11">11</option>
			<option value="12">12</option>
			<option value="13">13</option>
			<option value="14">14</option>
			<option value="15">15</option>
			<option value="16">16</option>
			<option value="17">17</option>
			<option value="18">18</option>
			<option value="19">19</option>
			<option value="20">20</option>
			<option value="21">21</option>
			<option value="22">22</option>
			<option value="23">23</option>
			<option value="24">24</option>
			<option value="25">25</option>
			<option value="26">26</option>
			<option value="27">27</option>
			<option value="28">28</option>
			<option value="29">29</option>
			<option value="30">30</option>
			<option value="31">31</option>
			<option value="32">32</option>
			<option value="33">33</option>
			<option value="34">34</option>
			<option value="35">35</option>
			<option value="36">36</option>
			<option value="37">37</option>
			<option value="38">38</option>
			<option value="39">39</option>
			<option value="40">40</option>
			<option value="41">41</option>
			<option value="42">42</option>
			<option value="43">43</option>
			<option value="44">44</option>
			<option value="45">45</option>
			<option value="46">46</option>
			<option...