Examine source code of Limon

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "vital",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-015-79a105bb546d3dfdd686392cf3ad1f57.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(49, 49, 49)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(80, 84, 84)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(72, 199, 172)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(49, 49, 49)",
      "popup": "rgb(49, 49, 49)",
      "popup_text": "rgb(255, 255, 255)",
      "button_background_active": "rgb(72, 199, 172)",
      "button_background_hover": "rgba(72, 199, 172, 0.53)",
      "frame_inactive": "rgb(111, 112, 112)",
      "icons_attention": "rgb(230, 200, 78)",
      "ntp_background": "rgb(49, 49, 49)",
      "popup_border": "rgb(72, 199, 172)",
      "popup_highlight_text": "rgb(0, 0, 0)",
      "popup_highlight": "rgb(72, 199, 172)",
      "sidebar_border": "rgb(72, 199, 172)",
      "sidebar_highlight_text": "rgb(80, 84, 84)",
      "sidebar_highlight": "rgb(72, 199, 172)",
      "sidebar_text": "rgb(255, 255, 255)",
      "sidebar": "rgb(80, 84, 84)",
      "tab_loading": "rgb(98, 204, 181)",
      "tab_selected": "rgb(90, 193, 171)",
      "tab_text": "rgb(0, 0, 0)",
      "toolbar_bottom_separator": "rgba(90, 193, 171, 0.42)",
      "toolbar_field_border": "rgb(80, 84, 84)",
      "toolbar_field_focus": "rgb(80, 84, 84)",
      "toolbar_field_highlight_text": "rgb(0, 0, 0)",
      "toolbar_field_highlight": "rgba(90, 193, 171, 0.77)",
      "toolbar_field_separator": "rgba(90, 193, 171, 0.37)",
      "toolbar_field_text_focus": "rgb(255, 255, 255)",
      "toolbar_top_separator": "rgba(90, 193, 171, 0.25)"
    }
  }
}