JSFiddle - React, Tailwind, and code Playground

HTML

<div id = "wrapper">
    <div id = "formwrap">
        <form action = "./PHP/main_login.php" method = "post">
            <input type = "text" name = "email" id = "email" placeholder = "Email"/><br>
            <input type = "password" name = "password" id = "password" placeholder = "Password"/><br>
            <input type = "submit" name = "submitlogin" id = "submitbut" value = "Login">
        </form>
    </div>
</div>

CSS

#wrapper{
  margin-left: auto;
  margin-right: auto;
}

#formwrap{
    margin-left: 50%;
    margin-right: 50%;
    background-color: #383838;
}