Examine source code of Hacker Terminal — Black & Green

{
  "manifest_version": 2,
  "name": "Hacker Terminal — Black & Green",
  "version": "1.0.0",
  "description": "A sleek black-and-matrix-green dark theme for Firefox. Soft green glow, high contrast, and a calm terminal aesthetic that's easy on the eyes.",
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "hacker-terminal-theme@thesajidalam.dev",
      "strict_min_version": "100.0"
    }
  },
  "theme": {
    "colors": {
      "frame": "#0b0f0b",
      "frame_inactive": "#070a07",
      "tab_background_text": "#00ff41",
      "tab_selected": "#0f140f",
      "tab_text": "#b4ffc8",
      "tab_line": "#00ff41",
      "tab_loading": "#00ff41",
      "tab_background_separator": "#1a241a",
      "toolbar": "#0f140f",
      "toolbar_text": "#b4ffc8",
      "toolbar_top_separator": "#1f3323",
      "toolbar_bottom_separator": "#1f3323",
      "toolbar_vertical_separator": "#1f3323",
      "bookmark_text": "#b4ffc8",
      "toolbar_field": "#050805",
      "toolbar_field_text": "#00ff41",
      "toolbar_field_border": "#1f3323",
      "toolbar_field_border_focus": "#00ff41",
      "toolbar_field_focus": "#050805",
      "toolbar_field_highlight": "#16301a",
      "toolbar_field_highlight_text": "#e6ffee",
      "button_background_hover": "#122a15",
      "button_background_active": "#1a3d1e",
      "icons": "#6ce08a",
      "icons_attention": "#00ff41",
      "ntp_background": "#070a07",
      "ntp_card_background": "#0f140f",
      "ntp_text": "#00ff41",
      "sidebar": "#0b0f0b",
      "sidebar_text": "#b4ffc8",
      "sidebar_border": "#1f3323",
      "sidebar_highlight": "#16301a",
      "sidebar_highlight_text": "#e6ffee",
      "popup": "#0b0f0b",
      "popup_text": "#b4ffc8",
      "popup_border": "#1f3323",
      "popup_highlight": "#16301a",
      "popup_highlight_text": "#e6ffee"
    },
    "properties": {
      "color_scheme": "dark",
      "content_color_scheme": "dark"
    }
  }
}