Urgent HTML ⁄ CSS ⁄ JS API Task

I have a handful of small front-end tasks that need tidy, efficient attention. The codebase is already live; I simply want the rough edges smoothed and a few minor interactions polished. Expect to touch... (Budget: $250 - $750 USD, Jobs: API, CSS, CSS3, Frontend Development, HTML, HTML5, JavaScript, RESTful API, Web Design, Web Development)