There are many different types of portfolio in the template. The standard portfolio looks like this:

Standard portfolio structure:
<section class="portfolio-layout large-section">
<div class="container">
<div class="button-group button-group-default d-flex justify-content-center">
<button data-filter="*" class="active-button">Show All</button>
<button data-filter=".branding">Branding</button>
<button data-filter=".design">Design</button>
<button data-filter=".packaging">Packaging</button>
<button data-filter=".advertising">Advertising</button>
</div>
</div>
<div class="container-fluid grid-three-columns">
<div class="row grid grid-columns"
data-aos="fade-up"
data-aos-delay="250"
data-aos-anchor-placement="top-bottom"
data-aos-easing="ease-in-out"
data-aos-duration="600">
<div class="grid-item branding advertising">
<a href="project-mixed-3.html">
<div class="img-wrapper">
<img src="assets/img/assets/mockup13.jpg" alt="" class="img-fluid">
<div class="description-box">
<h5 class="title">Business Card</h5>
<p class="category">Branding / Advertising</p>
</div>
</div>
</a>
</div>
</div>
</div>
</section>
Grid initialization:
isotope_grid_init(isotope_grid, button_group);
You can edit a single project for each portfolio item. Standard single post looks like this:

Standard single post structure:
<section class="single-project-wrapper">
<!-- [4] Video project -->
<section class="video-project d-flex align-items-center small-section"
data-aos="slide-right"
data-aos-delay="100"
data-aos-anchor-placement="top-bottom"
data-aos-easing="ease-in-out"
data-aos-duration="700">
<div class="container">
<div class="row">
<div class="col">
<div class="hs-responsive-embed"
data-aos="fade-right"
data-aos-delay="100"
data-aos-anchor-placement="top-bottom"
data-aos-easing="ease-in-out"
data-aos-duration="700">
<iframe src="https://www.youtube.com/embed/T9ANjrkz0pY"
allowfullscreen></iframe>
</div>
</div>
</div>
</div>
</section>
<!-- [5] Description Project -->
<section class="description-project-default large-section gray-section">
<div class="container description-wrapper">
<div class="row">
<div class="col-md-8 col-lg-7 col-xl-6"
data-aos="fade-right"
data-aos-delay="100"
data-aos-anchor-placement="top-bottom"
data-aos-easing="ease-in-out"
data-aos-duration="700">
<h2 class="section-title">Creative Website for a professional web studio.</h2>
<p class="description"> Donec lacus nunc, viverra nec, blandit vel, egestas et, augue vestibulum
tincidunt malesuada
tellus.
Ut ultrices ultrices enim curabitur sit amet mauris.
Lorem ipsum dolor sit amet</p>
<p class="description">Morbi in dui quis est pulvinar ullamcorper nulla facilisi. Integer
lacinia
sollicitudin massa.
Cras metus sed aliquet risus a tortor. Integer id quam morbi mi quisque nisl felis</p>
<div class="btn-wrap d-flex">
<a href="#" class="button-default-black"><i class="fa fa-link"></i>View website</a>
</div>
</div>
<div class="col-lg-1 col-xl-2 divider"></div>
<div class="col-md-4 col-lg-4 col-xl-4">
<ul class="project-information"
data-aos="fade-left"
data-aos-delay="100"
data-aos-anchor-placement="top-bottom"
data-aos-easing="ease-in-out"
data-aos-duration="700">
<li>
<p class="title">Client: </p>
<p class="info-text">Jonathan Doe inc.</p>
</li>
<li>
<p class="title">Date: </p>
<p class="info-text">2022-04-25</p>
</li>
<li>
<p class="title">Website: </p>
<p class="info-text"><a href="#">Example.com</a></p>
</li>
<li>
<p class="title">Categories: </p>
<p class="info-text">Development, Modern, Design</p>
</li>
<li>
<p class="title">Price: </p>
<p class="info-text">1500$</p>
</li>
</ul>
</div>
</div>
</div>
</section>
<!-- [6] Navigation Project -->
<section class="navigation-project white-section border-bottom-simple border-top-simple">
<div class="container-fluid"
data-aos="fade"
data-aos-delay="100"
data-aos-anchor-placement="top-bottom"
data-aos-easing="ease-in-out"
data-aos-duration="700">
<div class="row d-flex justify-content-between align-items-center">
<div class="nav-link">
<a href="#" class="additional-link">
<i class="fa fa-angle-left"></i>
<span>Previous project</span>
</a>
</div>
<div class="nav-link main-link">
<a href="#">
<i class="fa fa-th-large"></i>
</a>
</div>
<div class="nav-link">
<a href="#" class="additional-link">
<span>Next project</span>
<i class="fa fa-angle-right"></i>
</a>
</div>
</div>
</div>
</section>
</section>