Examine source code of vVv Gaming Theme [Tahvvy]

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#9e0000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "vVv Gaming Theme [Tahvvy]",
  "manifest_version": 2,
  "description": "Theme made because i wanted a vVv firefox theme. So why not make one for not just for me but for fans, members, applicants, and others who want the theme. Be sure to follow @vVv_Tahvvy for more vVv GFX."
}