JSFiddle - React, Tailwind, and code Playground

HTML

<!--Wrapper div-->
    <div id="wrapper">
        
        <!--Inbox list and button to add a card-->
        <div id="inboxList" class="cellContainer">
            <p style="display: inline">Inbox</p> 
            <!--Button to add a Card-->
            <input type="button" id="AddCardBtn" value="+ Add a Card..."/> <hr class="fancy-line"/> <br/>
            
            <!--Card div-->
            <div id="userAddedCard"> <br/>
                <div>
                
                </div>
            </div>
        </div>
        
        
    </div>
    <!--Modal Dialog-->
    <div id="modalDialog">
    
        <form>
            <label>Title</label>
            <input type="text" id="customTextBox" value="some value"/>
            <p>Date: <input type="text" id="datepicker" value="some date"/></p> 
            <input type="button" id="Getbtn" value="Get value"/> <hr/><br/>
            
            
        </form>
            
    </div>
    <!--Reference to Jquery-->

CSS

/*Style of a body*/
body {
    background-color: #f4f4f4;
}

.sto {
    height : 25px;
    width : 10px;
    background-color: grey;    
}

.ctb {
    display:inline-block;
    width: 20px;    
    padding-left:2%;
}

.image {
    display:inline-block;
    height:19px;
    width:19px;
    padding-top:7%;
    padding-left:5%;
        
}

/*Style of a Wrapper*/
#wrapper {
    margin-top: 3%; margin-right: 20%;
    height: 715px;
    min-width: 300px;
    min-height: 715px;
    background-color: #00CCFF;
    box-shadow: 7px 7px 7px #828282;
    border-radius: 6px;
}


/*Style of a inbox list*/
#inboxList {
    width: 275px; height: 700px;
    background-color: #f0f0f0;
    border: 1px solid black;
    margin-left: 0.5%;
    margin-top: 0.4%;
    border-radius: 10px;
    box-shadow: 7px 7px 7px #828282;
    overflow: auto;
}


/*Style of a Modal Dialog*/
#modalDialog {
    display: none;
    background-color: white;
    border: solid black 2px;
    border-radius: 10px;
    overflow: auto;
    box-shadow: 7px 7px 7px #828282;
}

/*Style of a card*/
.cellContainer .sortable-div {
    background: whitesmoke;
    width: 260px;
    height: 150px;
    margin-left: 2.3%;
    border-radius: 10px;
    border: 2px solid black;
    box-shadow: 0px 7px 7px #828282;
    margin-bottom: 1%;
    
}

JavaScript

$(function () {
    // Click function to add a card
    var $div = $('<div />').addClass('sortable-div'); 
    
    $('<div />', {
    $('<img />', { "src": "/Pages/Images/calendar.png" }).addClass('image').appendTo($div);
    $('<input/>', { "type": "text", "class": "ctb" }).addClass('ctb').appendTo($div);
    }).addClass('sto').appendTo($div);

    var cnt =0,$currentTarget;
    $('#AddCardBtn').click(function () {
      var $newDiv = $div.clone(true);
      cnt++;  
      $newDiv.prop("id","div"+cnt);  
      $('#userAddedCard').append($newDiv);
//      alert($('#userAddedCard').find("div.sortable-div").length);        
    });

    // Double click to open Modal Dialog Window
    $('#userAddedCard').dblclick(function (e) {
        $currentTarget = $(e.target);
        
        $('#modalDialog').dialog({
            modal: true,
            height: 600,
            width: 500,
            position: 'center'
        });
        return false;
        
    });
    $("#datepicker").datepicker({showWeek:true, firstDay:1});

    $("#Getbtn").on("click",function() {
      var val = $("#customTextBox").val();
      $currentTarget.find(".ctb").val(val);
      $currentTarget.find(".date").val($("#datepicker").val() );
      $('#modalDialog').dialog("close");
    });
});