Examine source code of Solid Grey Theme

{
  "theme": {
    "colors": {
      "frame": "#272727",
      "tab_background_text": "#c0c0c0",
      "toolbar": "#272727",
      "ntp_background": "#272727",
      "button_background_active": "#272727",
      "icons": "#c0c0c0",
      "popup": "#272727",
      "popup_highlight": "#4e4e4e",
      "popup_text": "#c0c0c0",
      "tab_loading": "#c0c0c0",
      "toolbar_field": "#272727",
      "toolbar_field_border_focus": "#272727",
      "toolbar_field_text": "#c0c0c0",
      "toolbar_field_separator": "#272727",
      "toolbar_top_separator": "#272727",
      "tab_selected": "#272727",
      "tab_text": "#ffffff",
      "ntp_text": "#c0c0c0",
      "tab_background_separator": "#272727",
      "button_background_hover": "#4e4e4e",
      "icons_attention": "#4e4e4e",
      "popup_border": "#272727",
      "popup_highlight_text": "#c0c0c0",
      "tab_line": "#272727",
      "toolbar_bottom_separator": "#272727",
      "toolbar_field_border": "#272727",
      "toolbar_field_focus": "#272727",
      "toolbar_field_text_focus": "#c0c0c0",
      "toolbar_text": "#c0c0c0",
      "toolbar_vertical_separator": "#272727"
    }
  },
  "name": "Solid Grey Theme",
  "manifest_version": 2,
  "version": "2.0",
  "description": "Minimalistic grey theme by Faithfulsky."
}