Move header and footer from old theme to new theme without error

extract css/js files and remove duplicated elements for header and footer sections More information: My website has new theme including new css/ Js/ PHP functions files, I'm gonna use my old header and footer from old theme to this new theme, but because most of CSS and JS elements are common that's why there are many conflicts for these CSS/JS elements. I want you will extract CSS/JS elements which are related to this header and footer and remove duplicated elements and provide me pure CSS and JS ((JUST FOR HEADER AND FOOTER SECTION)) 1: Extract CSS/JS elements which are related to header and footer section and provide it to me as zip file. 2: Remove Mobile view which is affected from old theme and use default mobile view. ((edit [login to view URL] )) file. 3: Design new search section something like Agoda search design. and provide me separate CSS/JS file for this section. The design and functions should work smoothly without any errors and bugs. Please make sure you can complete this project.