$(document).ready(function() {

    $("div#form").append(       

        $("<form/>", {

            action: '#',

            method: 'submit'

        }).append(

            $("<input/>", {

                type: 'text',

                id: 'title',

                name: 'title',

                maxlength: '20',

                placeholder: 'Title of the game'

            }).css({"border": "1px solid #000", "width":"100%", "margin":"10px 15px 10px 0", "padding":"5px"}).attr('required', true)));});