Examine source code of animate fat nyan theme

{
  "manifest_version": 2,
  "version": "3.0",
  "name": "fat nyan",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(0, 149, 122, 0.16)",
      "toolbar_text": "rgb(255, 163, 84)",
      "frame": "rgb(0, 51, 102)",
      "tab_background_text": "rgb(103, 239, 97)",
      "toolbar_field": "rgba(0, 0, 0, 0.21)",
      "toolbar_field_text": "rgb(131, 251, 242)",
      "tab_line": "rgb(150, 147, 255)",
      "popup": "rgba(0, 51, 102, 0.9)",
      "popup_text": "rgb(254, 132, 172)",
      "icons": "rgb(255, 214, 63)",
      "ntp_background": "rgb(0, 51, 102)",
      "ntp_text": "rgb(254, 132, 172)",
      "popup_border": "rgba(255, 74, 57, 0.81)",
      "popup_highlight": "rgba(0, 99, 225, 0.4)",
      "popup_highlight_text": "rgb(166, 131, 0)",
      "sidebar_border": "rgb(255, 214, 63)",
      "sidebar_highlight_text": "rgb(254, 132, 172)",
      "sidebar_highlight": "rgba(255, 255, 255, 0.27)",
      "sidebar_text": "rgb(150, 147, 255)",
      "sidebar": "rgb(0, 51, 102)",
      "tab_background_separator": "rgba(255, 203, 132, 0.81)",
      "toolbar_bottom_separator": "rgb(255, 47, 47)",
      "toolbar_field_border": "rgb(254, 132, 172)",
      "toolbar_field_highlight_text": "rgba(255, 203, 132, 0.81)",
      "toolbar_field_highlight": "rgba(249, 255, 24, 0.18)",
      "toolbar_field_separator": "rgb(255, 214, 63)",
      "toolbar_top_separator": "rgb(255, 163, 84)",
      "tab_loading": "rgb(150, 147, 255)"
    }
  }
}