<form class="form form--inline" id="form-login">
    <ul class="form__list">
        <li class="form__item">
            <label for="form-login__username">Username</label>
            <input class="field" id="form-login__username" placeholder="Username…">
        <li class="form__item">
            <label for="form-login__password">Password</label>
            <input type="password" class="field" id="form-login__password" placeholder="Password…">
        <li class="form__item">
            <input type="submit" class="button" value="Login">
    </ul>
</form>