header.php

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Create Account</title>

    <!-- Font Icon -->
    <link rel="stylesheet" href="<?php echo $parent ?? ''; ?>assets/fonts/material-icon/css/material-design-iconic-font.min.css">

    <!-- Animate Css  -->
    <link rel="stylesheet" href="<?php echo $parent ?? ''; ?>assets/css/animate.min.css">

    <script src="<?php echo $parent ?? ''; ?>assets/sweetalert2/dist/sweetalert2.min.js"></script>
    <link rel="stylesheet" href="<?php echo $parent ?? ''; ?>assets/sweetalert2/dist/sweetalert2.min.css">
    <!-- Main css -->

    <link rel="stylesheet" href="<?php echo $parent ?? ''; ?>assets/css/style.css">

    <link rel="shortcut icon" href="assets/images/chatapplication.svg" type="image/x-icon">
</head>

<body>