Go to your index file and change the content of the banner.
<section class="banner d-flex align-items-center">
<div class="banner-img-part"></div>
<div class="container">
<div class="row">
<div class="col-lg-10 col-md-12 col-xl-8">
<div class="block">
<span class="text-uppercase text-sm letter-spacing ">The most powerful Solution</span>
<h1 class="mb-3 mt-3">Digital experience with Orbitor</h1>
<p class="mb-5">Veritatis earum aliquid doloribus molestias, eveniet molestiae aperiam ratione. Facilis velit voluptatibus impedit eligendi delectus illo earum voluptatum, laudantium molestiae!</p>
<a href="about.html" target="_blank" class="btn btn-main">Learn more about Digicon<i class="fa fa-angle-right ml-2"></i></a>
</div>
</div>
</div>
</div>
</section>
- Image Change from CSS
.banner{
background: url("../images/bg/main-banner1.jpg") no-repeat 80% 50%;}