Examine source code of Animated Fire Particles

{
  "manifest_version": 2,
  "version": "2.0",
  "name": "FireParticles",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png",
        "images/1.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top",
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat",
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(159, 91, 91, 0.33)",
      "toolbar_text": "rgb(253, 101, 102)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(255, 142, 140)",
      "toolbar_field": "rgba(172, 126, 126, 0.29)",
      "toolbar_field_text": "rgb(253, 101, 102)",
      "tab_line": "rgb(237, 83, 84)",
      "popup": "rgb(59, 51, 51)",
      "popup_text": "rgb(248, 112, 140)",
      "button_background_active": "rgba(220, 85, 85, 0.61)",
      "button_background_hover": "rgba(149, 38, 38, 0.77)",
      "icons_attention": "rgb(255, 143, 56)",
      "ntp_text": "rgb(253, 101, 102)",
      "popup_border": "rgba(253, 101, 102, 0)",
      "sidebar_border": "rgb(253, 101, 102)",
      "sidebar_highlight_text": "rgb(255, 200, 199)",
      "sidebar_highlight": "rgb(204, 78, 78)",
      "sidebar_text": "rgb(253, 101, 102)",
      "sidebar": "rgb(50, 46, 46)",
      "tab_background_separator": "rgba(255, 255, 255, 0.42)",
      "tab_text": "rgb(253, 101, 102)",
      "toolbar_bottom_separator": "rgb(253, 101, 102)",
      "toolbar_field_border_focus": "rgb(253, 101, 102)",
      "toolbar_field_border": "rgb(172, 72, 72)",
      "toolbar_field_focus": "rgb(77, 69, 69)",
      "toolbar_field_highlight_text": "rgb(255, 221, 220)",
      "toolbar_field_highlight": "rgb(253, 101, 102)",
      "toolbar_field_separator": "rgb(253, 101, 102)",
      "toolbar_field_text_focus": "rgb(253, 101, 102)",
      "toolbar_top_separator": "rgba(253, 101, 102, 0)",
      "toolbar_vertical_separator": "rgb(253, 101, 102)",
      "tab_loading": "rgb(237, 83, 84)"
    }
  }
}