Branding

Logo

The header imports its logo at the top of src/Components/header.jsx:

import logoImg from "../assets/images/logo/logo.png";

Replace src/assets/images/logo/logo.png with your own file of the same name, or change the path.

Page title and description

Edit these in index.html:

<meta name="description" content="Web site created using create-react-app"/>
<title>palun - portfolio reactJS template</title>

Change both before you publish, because search engines and share previews use them.

Favicon

Replace favicon.ico, logo192.png and logo512.png in the public folder, and update the name in public/manifest.json.

Colours

The main accent colour is #e4aa48. Find and replace it in public/assets/css/style.css and src/App.css.

Fonts

public/assets/css/style.css loads its fonts from Google Fonts with an @import near the top of the file. Change that line, then update the font-family rules that use it.