Youtube video Source Code

Part1

Start with a basic container

<!DOCTYPE html>
<html lang="en">
 <head>
 <meta charset="utf-8">
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Data Table with Add, Edit and Delete Row Using PHP,Mysqli jquery Ajax</title>
 </head>
<body>
	<div class="container"><p><h1 align="center">Data Table with Add and Delete Row using PHP, Mysqli jquery</h1></p>
		<div class="table-wrapper">
			<div class="table-title">
				<div class="row">
					<div class="col-sm-8"><h2>Employee <b>Details</b></h2></div>
						<button type="button" class="btn btn-info add-new"><i class="fa fa-plus"></i>Add New</button>
					<div class="col-sm-4" ></div>
				</div>
			</div>
		</div>
	</div>
</body>
</html>

Part2

Add bootstrap font-awesome and jquery frameworks.

<!DOCTYPE html>
<html lang="en">
 <head>
 <meta charset="utf-8">
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Data Table with Add, Edit and Delete Row Using PHP,Mysqli jquery Ajax</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
 </head>
<body>
	<div class="container"><p><h1 align="center">Data Table with Add and Delete Row using PHP, Mysqli jquery</h1></p>
		<div class="table-wrapper">
			<div class="table-title">
				<div class="row">
					<div class="col-sm-8"><h2>Employee <b>Details</b></h2></div>
						<button type="button" class="btn btn-info add-new"><i class="fa fa-plus"></i>Add New</button>
					<div class="col-sm-4" ></div>
				</div>
			</div>
		</div>
	</div>
</body>
</html>

Part3

Add css styling

 

<html lang="en">
 <head>
 <meta charset="utf-8">
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Data Table with Add, Edit and Delete Row Using PHP,Mysqli jquery Ajax</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<style type="text/css">
    body {
        color: #404E67;
        background: #F5F7FA;
  font-family: 'Open Sans', sans-serif;
 }
 .table-wrapper {
  width: 700px;
  margin: 30px auto;
        background: #fff;
        padding: 20px; 
        box-shadow: 0 1px 1px rgba(0,0,0,.05);
    }
    .table-title {
        padding-bottom: 10px;
        margin: 0 0 10px;
    }
    .table-title h2 {
        margin: 6px 0 0;
        font-size: 22px;
    }
    .table-title .add-new {
        float: right;
  height: 30px;
  font-weight: bold;
  font-size: 12px;
  text-shadow: none;
  min-width: 100px;
  border-radius: 50px;
  line-height: 13px;
    }
 .table-title .add-new i {
  margin-right: 4px;
 }
    table.table {
        table-layout: fixed;
    }
    table.table tr th, table.table tr td {
        border-color: #e9e9e9;
    }
    table.table th i {
        font-size: 13px;
        margin: 0 5px;
        cursor: pointer;
    }
    table.table th:last-child {
        width: 100px;
    }
    table.table td a {
  cursor: pointer;
        display: inline-block;
        margin: 0 5px;
  min-width: 24px;
    }   
 table.table td a.add {
        color: #27C46B;
    }
    table.table td a.edit {
        color: #FFC107;
    }
    table.table td a.delete {
        color: #E34724;
    }
    table.table td i {
        font-size: 19px;
    }
 table.table td a.add i {
        font-size: 24px;
     margin-right: -1px;
        position: relative;
        top: 3px;
    }    
    table.table .form-control {
        height: 32px;
        line-height: 32px;
        box-shadow: none;
        border-radius: 2px;
    }
 table.table .form-control.error {
  border-color: #f50000;
 }
 table.table td .add {
  display: none;
 }
</style>


 </head>
<body>

	<div class="container"><p><h1 align="center">Data Table with Add and Delete Row using PHP, Mysqli jquery (part2)</h1></p>
		<div class="table-wrapper">
			<div class="table-title">
				<div class="row">
					<div class="col-sm-8"><h2>Employee <b>Details</b></h2></div>
						<button type="button" class="btn btn-info add-new"><i class="fa fa-plus"></i>Add New</button>
					<div class="col-sm-4" ></div>
				</div>
			</div>
		</div>
	</div>
</body>
</html>

Part4

Best to reference stylesheet externallly