The general template markup is the same throughout the files. Please make sure that you have the correct HTML markup first before doing any customizations.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8"/>
<meta http-equiv="x-ua-compatible" content="ie=edge"/>
<title>Harizma – Creative Agency HTML5 Template</title>
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"/>
<meta content="telephone=no" name="format-detection"/>
<meta name="HandheldFriendly" content="true"/>
<link rel="stylesheet" href="css/vendor.css" media="screen"/>
<link rel="stylesheet" href="css/main.css" media="screen"/>
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Montserrat:700%7COpen+Sans:300,400,400i,700subset=cyrillic"/>
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.3.1/css/brands.css"/>
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.3.1/css/fontawesome.css" media="screen"/>
<link rel="apple-touch-icon" sizes="57x57" href="img/content/apple-icon-57x57.png"/>
<link rel="apple-touch-icon" sizes="60x60" href="img/content/apple-icon-60x60.png"/>
<link rel="apple-touch-icon" sizes="72x72" href="img/content/apple-icon-72x72.png"/>
<link rel="apple-touch-icon" sizes="76x76" href="img/content/apple-icon-76x76.png"/>
<link rel="apple-touch-icon" sizes="114x114" href="img/content/apple-icon-114x114.png"/>
<link rel="apple-touch-icon" sizes="120x120" href="img/content/apple-icon-120x120.png"/>
<link rel="apple-touch-icon" sizes="144x144" href="img/content/apple-icon-144x144.png"/>
<link rel="apple-touch-icon" sizes="152x152" href="img/content/apple-icon-152x152.png"/>
<link rel="apple-touch-icon" sizes="180x180" href="img/content/apple-icon-180x180.png"/>
<link rel="icon" type="image/png" sizes="192x192" href="img/content/android-icon-192x192.png"/>
<link rel="icon" type="image/png" sizes="32x32" href="img/content/favicon-32x32.png"/>
<link rel="icon" type="image/png" sizes="96x96" href="img/content/favicon-96x96.png"/>
<link rel="icon" type="image/png" sizes="16x16" href="img/content/favicon-16x16.png"/>
<meta name="msapplication-TileColor" content="#ffffff"/>
<meta name="msapplication-TileImage" content="img/content/ms-icon-144x144.png"/>
<meta name="theme-color" content="#ffffff"/>
<link rel="icon" type="image/x-icon" href="img/content/favicon.ico"/>
</head>
<body>
<!-- PAGE PRELOADER -->
<div class="preloader">
<div class="preloader__progress">
<div class="preloader__progress-fill"></div>
</div>
<div class="preloader__curtains">
<div class="preloader__curtain bg-white"></div>
<div class="preloader__curtain bg-black"></div>
<div class="preloader__curtain bg-accent"></div>
</div>
</div>
<!-- - PAGE PRELOADER -->
<div class="page-wrapper" id="page-wrapper">
<!-- PAGE HEADER -->
<header class="header header_absolute">
...
</header>
<!-- - PAGE HEADER -->
<!-- section MASTHEAD -->
<section class="section section-masthead text-center color-white lazy jarallax" data-src="img/assets/sectionMasthead/bg-1.jpg">
<header class="section-masthead__header container">
<div class="row">
<div class="col">
<h1>Portfolio 2 Col</h1>
<div class="section-masthead__subheading">We Offer Digital Solutions</div>
</div>
</div>
</header>
<div class="overlay overlay_dark"></div>
</section>
<!-- - section MASTHEAD -->
... main content
<!-- PAGE FOOTER -->
<footer class="section section_pt-small footer text-center bg-light">
...
</footer>
<!-- - PAGE FOOTER -->
</div>
<!-- VENDOR SCRIPTS -->
<script src="js/vendor.js"></script>
<!-- - VENDOR SCRIPTS -->
<!-- COMPONENTS -->
<script src="js/components.js" async></script>
<!-- - COMPONENTS -->
<!-- PAGE SCRIPTS-->
<!-- - PAGE SCRIPTS-->
</body>
</html>