Examine source code of Minty green

{
  "manifest_version": 2,
  "name": "Lichen",
  "version": "1.3",
  "theme": {
    "colors": {
      "bookmark_text": "hsla(145, 6%, 20%, 1)",
      "frame": "hsla(145, 25%, 86%, 1)",
      "frame_inactive": "hsla(145, 25%, 86%, 1)",
      "icons": "hsla(145, 6%, 20%, 1)",
      "icons_attention": "hsla(145, 24%, 32%, 1)",
      "ntp_background": "hsla(145, 27%, 97%, 1)",
      "ntp_card_background": "hsla(0, 0%, 100%, 1)",
      "ntp_text": "hsla(145, 6%, 20%, 1)",
      "popup": "hsla(0, 0%, 100%, 1)",
      "popup_border": "hsla(145, 25%, 88%, 1)",
      "popup_highlight": "hsla(145, 25%, 86%, 0.7)",
      "popup_highlight_text": "hsla(145, 6%, 20%, 1)",
      "popup_text": "hsla(145, 6%, 20%, 1)",
      "sidebar": "hsla(0, 0%, 100%, 1)",
      "sidebar_highlight": "hsla(145, 25%, 86%, 0.7)",
      "sidebar_highlight_text": "hsla(145, 6%, 20%, 1)",
      "sidebar_text": "hsla(145, 6%, 20%, 1)",
      "tab_background_text": "hsla(145, 6%, 20%, 1)",
      "tab_line": "hsla(145, 25%, 88%, 1)",
      "tab_loading": "hsla(145, 24%, 32%, 1)",
      "tab_loading_inactive": "hsla(145, 24%, 32%, 1)",
      "tab_selected": "hsla(0, 0%, 100%, 1)",
      "tab_text": "hsla(145, 6%, 20%, 1)",
      "toolbar": "hsla(145, 25%, 93%, 1)",
      "toolbar_bottom_separator": "hsla(145, 25%, 86%, 1)",
      "toolbar_field": "hsla(145, 25%, 86%, 1)",
      "toolbar_field_border": "hsla(145, 25%, 88%, 1)",
      "toolbar_field_focus": "hsla(0, 0%, 100%, 1)",
      "toolbar_text": "hsla(145, 6%, 20%, 1)",
      "toolbar_field_text": "hsla(145, 6%, 20%, 1)",
      "toolbar_field_text_focus": "hsla(145, 6%, 20%, 1)",
      "toolbar_field_highlight_text": "hsla(145, 6%, 20%, 1)",
      "toolbar_top_separator": "hsla(145, 25%, 88%, 1)",
      "panel_separator": "hsla(145, 25%, 88%, 1)"
    },
    "properties": {
      "color_scheme": "light",
      "content_color_scheme": "light"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{388d9fae-8a28-4f9f-9aad-fb9e84e4f3c3}"
    }
  }
}