JSFiddle - React, Tailwind, and code Playground

HTML

<label id="counter">0</label>
<div id="teste"></div>
<a class="meubotao">INICIAR TESTE</a>
<div class=testes>
  <div>1. Pressione e solte o pedal de freio do estacionamento varias vezes para checar se a pressão diminui</div>
  <div>2. Pressione e solte o pedal de freio do estacionamento varias vezes para checar se a pressão diminui</div>
  <div>3. Pressione e solte o pedal de freio do estacionamento varias vezes para checar se a pressão diminui</div>
</div>
<div class="footer">
&copy; 2017 PokaYoke Team | Elaborado por Felipe Deolindo
</div>

CSS

body{
    background-color: #373435;
}

#teste{
    width: 1920px;
    height: 1080px;
    background-image: url('../images/background.jpg');
    background-repeat: no-repeat;
}

.meubotao {
    -moz-box-shadow: 0px 1px 0px 0px #000000;
    -webkit-box-shadow: 0px 1px 0px 0px #000000;
    box-shadow: 0px 1px 0px 0px #000000;
    background:-webkit-gradient(linear, left top, left bottom, color-stop(0.05, #ffec64), color-stop(1, #ffab23));
    background:-moz-linear-gradient(top, #ffec64 5%, #ffab23 100%);
    background:-webkit-linear-gradient(top, #ffec64 5%, #ffab23 100%);
    background:-o-linear-gradient(top, #ffec64 5%, #ffab23 100%);
    background:-ms-linear-gradient(top, #ffec64 5%, #ffab23 100%);
    background:linear-gradient(to bottom, #ffec64 5%, #ffab23 100%);
    filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffec64', endColorstr='#ffab23',GradientType=0);
    background-color:#ffec64;
    -moz-border-radius:15px;
    -webkit-border-radius:15px;
    border-radius:15px;
    border:3px solid #000000;
    display:inline-block;
    cursor:pointer;
    color:#333333;
    font-family:Georgia;
    font-size:28px;
    font-weight:bold;
    padding:20px 50px;
    text-decoration:none;
    text-shadow:0px 1px 0px #ffffff;
    position:absolute;
        top: 500px;
        left: 700px;
}
.meubotao:hover {
    background:-webkit-gradient(linear, left top, left bottom, color-stop(0.05, #ffab23), color-stop(1, #ffec64));
    background:-moz-linear-gradient(top, #ffab23 5%, #ffec64 100%);
    background:-webkit-linear-gradient(top, #ffab23 5%, #ffec64 100%);
    background:-o-linear-gradient(top, #ffab23 5%, #ffec64 100%);
    background:-ms-linear-gradient(top, #ffab23 5%, #ffec64 100%);
    background:linear-gradient(to bottom, #ffab23 5%, #ffec64 100%);
    filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffab23', endColorstr='#ffec64',GradientType=0);
    background-color:#ffab23;
}
.meubotao:active {
       ...

JavaScript

var testCounter = 0;
$(document).ready(function () {

    var sensorValor = '';
    var testEnabled = false;
    var roundedValue = 0;

    setInterval(function () {
      sensorValor = $('#counter').text();
    }, 100);
    
    $(".meubotao").click(function(e){
      var len = $('.testes div').length;
      if (len > testCounter){
      	$('.testes div').eq(testCounter).show();
      	testCounter++;
        if (len == testCounter){
      	  $('.meubotao').hide(); //ultima etapa ja chegou
        } else { $('.meubotao').html('Próxima Etapa'); }
      }
    });
});