Hello,
Im Indira, graphic designer and frondEnd developer, i have experiences working with javascript, dom manipulation, css3, sass, gulp, bower, angularjs, html5, canvas, boostrap, and otheres.
Im ok with all your requirement, i have previous experiences on those changes, but will be great to see you actual template and maybe the code just to be 100% sure about the state of of your code and the time will take make those changes.
Im always connected, fast finding errors and solutions, and hope can help you on this project and and make your day better! haha.
Regards.
Indira.