Shopify website custom coding

I require a Shopify expert to do custom coding and editing for few minor elements on the launched Shopify site.

1. Adding x 1 social media icon to the blog post sharing facility to appear on all blog pages.
2. Removing lines on home page; locating a block of the text and showing me how to add the text.
3. Custom editing of the mega menu and reorganising product title display and images.
4. Custom editing of the mega menu and reorganising blog display.
5. Convert existing pages int the blog pages x 6.

Please provide itemised quote or get in touch for more details.