Fix Landing Page Table On Mobile / Next.js / Material UI / Javascript / React.js

I am looking for someone to fix the layout of my landing page on Firefox. This page is built with Next.js, React.js, and Material UI with JavaScript being the primary programming language. I need someone who is experienced in coding with JavaScript in order to ensure the layout on Firefox is optimized for mobile. You must understand the fundamentals of web development, along with debugging and troubleshooting. This project should not take too long, but the quality of work must be top-notch. If you think you are the right choice for this job, please let me know!