yg_app-8.x-1.0/templates/user-login-form.html.twig

<section id="user-login">
    <div class="col-xs-12">
        <div class="login-text">
            <h2 class="title" style="text-align:center;"><strong>USER <span>LOGIN</span></strong></h2> 
            <form role="form" id="sub-form">
                <div class="form-group">
                 {{ form.name }}
                </div>
                <div class="form-group">
                {{ form.pass }}
                </div>
                <div class="form-group">
                    <a href="password" alt="Request new password via email">Forgot password?</a>
                </div>
                {{ form.form_build_id }}
                {{ form.form_id }}
                <div class="login-button">
                    {{ form.actions }}
                </div>
            </form>
        </div>        
    </div>           
</section>