Please provide the following colors, sizes, fonts, and redlines for 
the incognito tabs empty state prompt and regular tabs empty state prompt. 

- top and bottom text font, font size, and color. 
- redlines for placement of top and bottom text:
   * compact portrait
   * compact landscape
   * regular portrait
   * regular landscape
   * tablet split screen 1/3
   * tablet split screen 1/2