CSS Adjustments Joomla Page

i need some adjustments for a joomla website with customized bootstrap one page and multipage template. Here are the jobs for the first: *About Responsive Design -configuring the menu icon and the menu font size - it looks different on homepage(one page-layout) than other pages(multipage-layout) -The font size of h1-h3 must be scaleable and fitted for mobile screens, at the moment it's still to big, so parts of text are not showed. -the header ticker - button is not symmetrical *About color of footer links: - they must have a different color than in body area. That's all for that step, if tasks are handled, further jobs will follow for that project. Who could handle that for me?