Hello,
Please, could you share your web link as well as list of required changes which you are looking for in your website?
I will surely assist you to add the CSS in your WordPress website and make it up as per your requirement.
I am proficient at RWD (Responsive web development), HTML/HTML5, CSS/CSS3, JavaScript, jQuery, AJAX, Bootstrap, PHP, MySQL, WordPress theme development, WordPress plugin development, etc. Form ore details, please review my profile.
I am readily available to commence this project. Please, do ping me to discuss further.
Regards,
Brijesh R, WordPress Expert