Examine source code of Daleks_Yellow

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Dalek_yellow",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgb(38, 72, 102)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(255, 238, 0)",
      "tab_background_text": "rgb(38, 72, 102)",
      "toolbar_field": "rgb(38, 72, 102)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(34, 25, 77)",
      "popup": "rgba(0, 120, 242, 0.86)",
      "popup_text": "rgb(255, 255, 255)",
      "button_background_active": "rgba(67, 194, 218, 0.6)",
      "button_background_hover": "rgb(34, 25, 77)",
      "icons": "rgb(255, 197, 0)",
      "sidebar": "rgb(67, 194, 218)",
      "tab_selected": "rgb(38, 72, 102)",
      "tab_text": "rgb(255, 255, 255)",
      "toolbar_field_border_focus": "rgb(67, 194, 218)",
      "toolbar_top_separator": "rgb(255, 255, 255)",
      "tab_loading": "rgb(34, 25, 77)"
    }
  }
}