JSFiddle - React, Tailwind, and code Playground

HTML

<form method="post"  id="userForm" action="http://day.hiperportal.blog.br/index.php?option=com_rsform&amp;formId=17">
<div class="form2LinesLayout">
	<div class="formField rsform-block rsform-block-tamanhoedredom">
		<center><h1>Edredom</h1><h2>Qual tamanho do seu edredom?</h2><br/>
		<label for="TamanhoEdredom0" class="padrao edredom edredom_solteiro"><input  name="form[TamanhoEdredom]" type="radio" value="Solteiro" id="TamanhoEdredom0"  /><i></i></label><label for="TamanhoEdredom1" class="padrao edredom edredom_casal"><input  name="form[TamanhoEdredom]" type="radio" value="Casal" id="TamanhoEdredom1"  /><i></i></label><label for="TamanhoEdredom2" class="padrao edredom edredom_queen"><input  name="form[TamanhoEdredom]" type="radio" value="Queen" id="TamanhoEdredom2"  /><i></i></label><label for="TamanhoEdredom3" class="padrao edredom edredom_king"><input  name="form[TamanhoEdredom]" type="radio" value="King" id="TamanhoEdredom3"  /><i></i></label><label for="TamanhoEdredom4" class="padrao edredom edredom_super_king"><input  name="form[TamanhoEdredom]" type="radio" value="Super King" id="TamanhoEdredom4"  /><i></i></label><br/>
    
    <center><h2>Quantos edredons <span id="boy"></span> serão?</h2></center>

CSS

.divcentral{
    text-align: center;
}

.separador{
	width:80%;
	height:1px;
	background-color:#3498DB;
	margin-top: -1px;
	margin-left:auto;
	margin-right:auto;
	line-height:1px;
	font-size:1px
}

.input_text [type=text]:focus {
    border: 3px solid #3498db;
}

.botao-calcular{  
    padding: 10px;
    border-radius: 15px;
    color: #fff;
    background: #3498db;
    -moz-transition: 0.4s;
    -webkit-transition: 0.4s;
    transition: 0.4s;
    font-size: 15pt;
	width:350px;
}
.botao-calcular[type=text]:hover {
    background: #1589D6;
}

.botao-enviar{  
    padding: 10px;
    border-radius: 15px;
    color: #666;
    background: #e6e6e6;
    -moz-transition: 0.4s;
    -webkit-transition: 0.4s;
    transition: 0.4s;
    font-size: 20pt;
}
.botao-enviar[type=submit]:hover {
    background: #f44c0e;
    color:#fff;
}

#valor3x {
    padding: 0.5ex;
    width: 280px;
    font-size: 2em;
    border-radius: 15px;
  -webkit-transition: width 0.4s;
  -moz-transition: width 0.4s;
  transition: 0.4s;
margin-left:auto;
margin-right:auto;
}
#valor3x:hover {
    background-color: #4AC068;
    color: #fff;
    border-radius: 50px;
}
#valor1x {
    padding: 0.5ex;
    width: 280px;
    font-size: 2em;
    border-radius: 15px;
  -webkit-transition: width 0.4s;
  -moz-transition: width 0.4s;
  transition: 0.4s;
margin-left:auto;
margin-right:auto;
}

#valor1x:hover {
    background-color: #3498DB;
    color: #fff;
    border-radius: 50px;
}

.padrao{
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}
.padrao > input[type=radio],input[type=checkbox] { /* HIDE ORG RADIO & CHECKBOX */
  visibility: hidden;
  position: relative;
}
/* RADIO & CHECKBOX STYLES */
.padrao > i{     /* DEFAULT <i> STYLE */
  display: inline-block;
  vertical-align: middle;
  width:  230px;
  height: 275px;
  border-radius: 0%;
  -webkit-transition: width 0.4s;
  -moz-transition: width 0.4s;
  transition: 0.4s;
  background-size: 100%;
 ...

JavaScript

$("input[name=form\\[TamanhoEdredom\\]]").click(function () {
    $("#boy").text($(this).val());
});

$("input[name=girls]").click(function () {
    $("#girl").text($(this).val());
});