Print Button Creation for Invoices

I need a custom print button integrated into my project using JavaScript and HTML. The button should be positioned at the top of the page.

Requirements:
- Print button functionality for invoices/receipts
- Placement: Top of the page
- Styling: Custom styled button

Ideal Skills and Experience:
- Proficiency in JavaScript and HTML
- Experience with creating custom-styled buttons
- Attention to detail and user experience

Please provide examples of previous work related to print functionalities or custom button designs.