JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://fonts.googleapis.com/css?family=Raleway"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.12.4/js/i18n/defaults-*.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.12.4/js/bootstrap-select.min.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.12.4/css/bootstrap-select.min.css">
<script src="http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
<!DOCTYPE html>
<html>
<head>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.12.4/css/bootstrap-select.min.css">
    <script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.12.4/js/bootstrap-select.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.12.4/js/i18n/defaults-*.min.js"></script>
    <link href="https://fonts.googleapis.com/css?family=Raleway" rel="stylesheet">
    </head>
<body style="background-color: #242424;">
 
                <center><h4 style="color: white">Escolha o plano</h4>
<div class="drop">
  <div class="option active placeholder" data-value="placeholder">
    Escolha o Serviço
  </div>
  <div class="option" data-value="wow">
    Hour Boost
  </div>
  <div class="option" data-value="drop">
    Commend Bot
  </div>
  <div class="option" data-value="select">
    Report Bot
  </div>
</div>
                    <div class="drop">
  <div class="option active placeholder" data-value="placeholder">
    Choose wiseely
  </div>
  <div class="option" data-value="wow">
    Wow!
  </div>
  <div class="option" data-value="drop">
    So dropdown!
  </div>
  <div class="option" data-value="select">
    Very select!
  </div>
  <div class="option" data-value="custom">
    Much custom!
  </div>
  <div class="option" data-value="animation"> 
    Such animation!
 ...

CSS

@font-face {
font-family: 'Raleway', sans-serif;
}
body {
  background: #35414a;
}

.drop {
  width: 20em;
  margin: 5em auto;
  font-family: pfs-bold;
  color: #86919a;
  text-transform: uppercase;
  position: relative;
  -webkit-transition: width 0.5s;
  transition: width 0.5s;
  will-change: width;
}
.drop .option {
  padding: 1em;
  cursor: pointer;
  background-color: #333333;
}
.drop .option:not(.active) {
  display: none;
  opacity: 0;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
}
.drop.visible {
  -webkit-animation: bounce 1s;
          animation: bounce 1s;
  width: 24em;
}
.drop.visible:before, .drop.visible:after {
  border-color: #fff;
}
.drop.visible:before {
  opacity: 0;
}
.drop.visible:after {
  opacity: 1;
}
.drop.visible .option {
  color: #fff;
  display: block;
}
.drop.opacity .option {
  -webkit-transform: translateZ(0);
          transform: translateZ(0);
  opacity: 1;
}
.drop.opacity .option:nth-child(0) {
  -webkit-transition: opacity 0.5s 0s, -webkit-transform 0.5s 0s;
  transition: opacity 0.5s 0s, -webkit-transform 0.5s 0s;
  transition: opacity 0.5s 0s, transform 0.5s 0s;
  transition: opacity 0.5s 0s, transform 0.5s 0s, -webkit-transform 0.5s 0s;
}
.drop.opacity .option:nth-child(1) {
  -webkit-transition: opacity 0.5s 0.1s, -webkit-transform 0.5s 0.1s;
  transition: opacity 0.5s 0.1s, -webkit-transform 0.5s 0.1s;
  transition: opacity 0.5s 0.1s, transform 0.5s 0.1s;
  transition: opacity 0.5s 0.1s, transform 0.5s 0.1s, -webkit-transform 0.5s 0.1s;
}
.drop.opacity .option:nth-child(2) {
  -webkit-transition: opacity 0.5s 0.2s, -webkit-transform 0.5s 0.2s;
  transition: opacity 0.5s 0.2s, -webkit-transform 0.5s 0.2s;
  transition: opacity 0.5s 0.2s, transform 0.5s 0.2s;
  transition: opacity 0.5s 0.2s, transform 0.5s 0.2s, -webkit-transform 0.5s 0.2s;
}
.drop.opacity .option:nth-child(3) {
  -webkit-transition: opacity 0.5s 0.3s, -webkit-transform 0.5s 0.3s;
  transition: opacity 0.5s 0.3s,...

JavaScript

$(document).ready(function() {
  $(".drop .option").click(function() {
    var val = $(this).attr("data-value"),
        $drop = $(".drop"),
        prevActive = $(".drop .option.active").attr("data-value"),
        options = $(".drop .option").length;
    $drop.find(".option.active").addClass("mini-hack");
    $drop.toggleClass("visible");
    $drop.removeClass("withBG");
    $(this).css("top");
    $drop.toggleClass("opacity");
    $(".mini-hack").removeClass("mini-hack");
    if ($drop.hasClass("visible")) {
      setTimeout(function() {
        $drop.addClass("withBG");
      }, 400 + options*100); 
    }
    triggerAnimation();
    if (val !== "placeholder" || prevActive === "placeholder") {
      $(".drop .option").removeClass("active");
      $(this).addClass("active");
    };
  });
  
  function triggerAnimation() {
    var finalWidth = $(".drop").hasClass("visible") ? 22 : 20;
    $(".drop").css("width", "24em");
    setTimeout(function() {
      $(".drop").css("width", finalWidth + "em");
    }, 400);
  }
});