JSFiddle - React, Tailwind, and code Playground

HTML

<div class="BeWeird_register_container">
  <div class="BeWeird_register_wrapper">

    <div class="BeWeird_login_wrapper">
      <div class="login_image"><img src="Images/LoginImage.png" alt="" /></div>
      <form method="post" action="BeWeird_login.php">
        <?php include('errors.php'); ?>
        <div class="login_form_wrapper">
          <div class="input-group">

            <input class="login" type="text" placeholder="Username" name="username">
          </div>
          <div class="input-group">

            <input class="login" type="password" placeholder="Password" name="password">
          </div>
          <div class="input-group">
            <button class="login" type="submit" class="btn" name="login_user">Login</button>
          </div>

      </form>


    </div>

  </div>
</div>

CSS

.login_form_wrapper {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}


input[type=text],
select {
  border: none;
  max-width: 100%;
  padding: 30px 20px;
  margin: 8px 0;
  display: inline-block;
  background-color: #000;
  color: #BBFB34;
  font-family: Gotham, "Helvetica Neue", Helvetica, Arial, "sans-serif";
  font-size: 1.2vw;
}