JSFiddle - React, Tailwind, and code Playground

CSS

/*comand + drag for number/color scrubber*/
  /*----------------*/
 /*----Main Page---*/
/*----------------*/
.t_inject_container
{
    position:fixed;
    bottom:0;
    left:0;
    z-index: 999;
    background-color:grey;
    margin: 0;
    padding: 0;   
}
.t_inject_container > li {
    display: inline-block;
}

ul{
    list-style: none;
}

.t_inject_container,
.t_inject_container * {
    -webkit-box-sizing: border-box;
       -moz-box-sizing: border-box;
            box-sizing: border-box;
    border-radius:5px;
}

.menu {
    background-color:lightblue;
    border-radius:5px;
    margin: 1px;
    padding: 2px;
}

.t_intect_button {
    background-color:blue;
    display:block;
    height: 50px;
    width: 50px;
    margin: 5px;
    font-size: 20px;
    color: white;
    border: 0;
}

.minimize_button{
    height: 20px;
    width: 20px;
    margin: 2px;
    font-size: 12px;
}

 /*-----------------*/
 /*Timeline Element*/
/*----------------*/
.timeline_element {
    background-color:red;    
}
.t_text_area {
    height: 50px;
    width: 100px;
    border-radius:1px;
}

JavaScript

$(function(){    
    function add_timeline_element(){
        var timeline_element = $('<ul />', {
            class: "timeline_element"
        });
            var section_1 = $("<li />");
            var section_2 = $("<li />");
                var button = $('<button />', {
                    text: '-',
                    class: "t_intect_button"
                    click: function(){alert($(this).parent().parent().remove());}
                });
                var text_input = $('<input />', {
                    type: "text",
                    class: "t_text_area"
                });
        
                section_1.append(button);
                section_2.append(text_input);
            timeline_element.append(section_1);
            timeline_element.append(section_2);
        $(".t_inject_container").append(timeline_element);
    }
    
    function minimize_t_inject_container(){
        $(".add_button").toggle();
    }
    
    function create_twitter_bar(){
        var table_container = $("<ul />", {
            class: "t_inject_container"
        });
            var row = $("<li />", { class: "t_inject_row" });
                var menu = $("<ul />", { class: "menu" });
                    var section_1 = $("<li />");
                    var section_2 = $("<li />");
                        var add_element_button = $("<button />", {
                            text: '+',
                            click: add_timeline_element,
                            class: "add_button t_intect_button"
                            
                        });
                        var minimize_button = $("<button />", {
                            text: 'm',
                            click: minimize_t_inject_container,
                            class: "minimize_button t_intect_button"
                        });
                    section_1.append(add_element_button);
                    section_2.append(minimize_button);
               ...