JSFiddle - React, Tailwind, and code Playground

HTML

<div class="login">
<div class="form">
  <form>
      <input type="text" placeholder="login"/>
      <input type="text" placeholder="senha"/>
      <input type="submit" value="Logar"/>
  </form>
 </div>
</div>

CSS

.login{
  width: 400px;
  height: 400px;
  background: red;
  margin: 0 auto;
  
}



.form{
  margin: 0 auto;
  display: block;
  width: 300px;
  background: blue;
}

.form  form{
  margin-left: 20%;
}

.form form input{
  display: block;
  margin-top: 10px;
}