Examine source code of Snow Miku Light

{
  "manifest_version": 2,
  "name": "Snow Miku Light",
  "version": "1.8",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "tab_selected": "#ffffff4c",
      "tab_text": "#fff",
      "tab_background_text": "#fff",
      "tab_line": "transparent",
      "ntp_text": "#15141a",
      "ntp_background": "#DFD1F3",
      "icons": "white",
      "frame": "#DFD1F3",
      "popup": "#fff",
      "popup_text": "#15141a",
      "popup_border": "#F0F0F4",
      "popup_highlight": "#e0e0e6",
      "popup_highlight_text": "#15141a",
      "popup_action_color": "#5B5B66",
      "toolbar": "#ffffff4c",
      "toolbar_text": "#826E8D",
      "toolbar_field": "#ffffffcc",
      "toolbar_field_text": "#857EAC",
      "toolbar_field_focus": "#fff",
      "toolbar_field_border": "transparent",
      "toolbar_field_border_focus": "#ffffff",
      "toolbar_top_separator": "transparent",
      "toolbar_bottom_separator": "#ccc",
      "button": "#D0CFD854",
      "button_hover": "#CFCFD8A8",
      "button_active": "#CFCFD8",
      "button_primary": "#0061E0",
      "button_primary_hover": "#0250BB",
      "button_primary_active": "#053E94",
      "button_primary_color": "#FBFBFE",
      "error_text_color": "#C50042",
      "input_color": "#15141A",
      "input_background": "#FFFFFF",
      "input_border_error": "#E22850",
      "autocomplete_popup_hover": "#F0F0F4",
      "autocomplete_popup_separator": "#F0F0F4",
      "appmenu_update_icon_color": "#2AC3A2",
      "appmenu_info_icon_color": "#0090ED",
      "tab_icon_overlay_fill": "#58587B",
      "tab_icon_overlay_stroke": "#FFFFFF",
      "sidebar": "#FFFFFF",
      "sidebar_border": "#CCCCCC"
    },
    "properties": {
      "color_scheme": "light"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1d3d6217-cc73-4a6c-9380-6bc092ea9cdf}"
    }
  }
}