Examine source code of Crimson to Maroon

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#ab8713",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Crimson to Maroon",
  "manifest_version": 2,
  "description": "I have OCD. I see that there are themes for a \"Dark Firefox\", but I wish to achieve something that my eyes can sit on and look at without me hating the placement of something. So, here is my two favorite colors along with accented color tabs and tab texts. Thank you for reading this far! Have a great day."
}