Convert My HTML/CSS Website to Responsive

I need a freelancer to convert my non-responsive website to a responsive one. The site has been built using HTML and CSS.

Key Requirements:
- Make the website responsive for smartphones
- Utilize the Bootstrap framework for the task
- Focus on the responsiveness of the Homepage, Contact Us page, and Product pages

Ideal Skills:
- Proficient in HTML, CSS, and Bootstrap
- Previous experience in making websites responsive
- Attention to detail and ability to work on specific sections of the website