[Styling] home

[b-g]

• [x] wrong styles page title
• [x] wrong color separator lines
• [x] wrong width site desc text
• [x] wrong style site desc text
• [x] wrong font size links to subpages e.g. "channel land" (also note the wrong underline link style)
• [x] wrong font size desc text subpages e.g. "Compare multiple ..." (also note the wrong underline link style)
• [x] wrong style site footer

This is as it currently looks:

VS. how it should look like (add to slack button is out for demo site):