As an experienced Full Stack Web Developer, specializing in HTML, CSS, JavaScript, and PHP, I believe that I have the necessary skills and expertise to fix your mobile menu issue promptly and efficaciously. A crucial aspect of my background worth highlighting is my proficiency in responsive design - particularly crucial in tackling your challenge. I have developed scalable and user-friendly websites and applications for various clients over the past five years while tailoring them to fit any screen size or device type.
Moreover, you can rely on my persistent availability, as I commit 40+ hours a week solely to my projects. Alongside this steadfast availability, I bring a guarantee of your utmost satisfaction. My dedication does not vanish after project completion; instead, I provide one year of comprehensive post-development support for any bug fixes or additional needs that may arise.
To summarize why collaborating with me is the best choice: my adeptness in HTML5/CSS3/JavaScript/Bootstrap which would seamlessly mend your mobile menu, my ability to develop functional and aesthetically pleasing websites swiftly yet meticulously, and last but not least, my unwavering commitment to your satisfaction. Allow me to resolve this issue for you with professionalism and dedication.