formulario de registro que cambie entre registro y login

<div class="container" id="main">
    <div class="container" id="title">
        <div class="container" id="signUp">
            <i class="fas fa-user-plus"> create account</i>
        </div>
        <div class="container" id="login">
            <i class="fas fa-sign-in-alt"> login</i>
        </div>
    </div>
    <div class="container" id="form">
        <form>
            <div class="container" id="email">
                <input type="email" placeholder="email"></input>
            </div>
            <div class="container" id="password">
                <input type="password" placeholder="password"></input>
            </div>
            <div class="container" id="submit">
                <input type="submit" value="submit"></input>
            </div>
        </form>
    </div>
</div>