Examine source code of Slate

{
  "manifest_version": 2,
  "version": "2.1.1",
  "name": "Slate",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "frame": "#353C40",
      "tab_line": "#95A861",
      "tab_loading": "#95A861",
      "tab_background_text": "#D7DBE5",
      "toolbar": "#353C40",
      "toolbar_text": "#F1F2F4",
      "toolbar_field": "#434F56",
      "toolbar_field_text": "#F1F2F4",
      "toolbar_field_highlight": "#B4CE88",
      "toolbar_field_highlight_text": "#2F333A",
      "toolbar_field_border": "#95A861",
      "toolbar_field_border_focus": "#95A861",
      "sidebar": "#353C40",
      "sidebar_border": "#2F333A",
      "sidebar_text": "#F1F2F4",
      "sidebar_highlight": "#B4CE88",
      "sidebar_highlight_text": "#2F333A",
      "popup": "#353C40",
      "popup_highlight": "#B4CE88",
      "popup_highlight_text": "#2F333A",
      "popup_text": "#D7DBE5",
      "ntp_background": "#353C40",
      "ntp_text": "#F1F2F4"
    }
  }
}