Examine source code of Strawberry Spill

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Strawberry Spill",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(88, 90, 98, 0)",
      "toolbar_text": "rgb(88, 90, 98)",
      "frame": "rgb(88, 90, 98)",
      "tab_background_text": "rgb(0, 0, 0)",
      "toolbar_field": "rgba(204, 219, 231, 0.72)",
      "toolbar_field_text": "rgb(0, 19, 30)",
      "tab_line": "rgb(26, 100, 140)",
      "popup": "rgba(250, 238, 249, 0.84)",
      "popup_text": "rgb(242, 92, 205)",
      "button_background_active": "rgb(58, 60, 61)",
      "button_background_hover": "rgba(255, 255, 255, 0.99)",
      "frame_inactive": "rgba(255, 0, 180, 0.54)",
      "icons_attention": "rgb(51, 72, 145)",
      "icons": "rgb(51, 72, 145)",
      "ntp_background": "rgb(68, 68, 68)",
      "ntp_text": "rgb(203, 224, 204)",
      "popup_border": "rgba(142, 179, 201, 0)",
      "popup_highlight_text": "rgb(0, 0, 0)",
      "popup_highlight": "rgb(130, 6, 118)",
      "sidebar_border": "rgb(3, 10, 14)",
      "sidebar_highlight": "rgb(1, 161, 255)",
      "tab_selected": "rgba(231, 233, 240, 0.58)",
      "toolbar_bottom_separator": "rgba(0, 41, 236, 0)",
      "toolbar_field_highlight_text": "rgba(19, 65, 255, 0)",
      "toolbar_field_separator": "rgba(19, 65, 255, 0)",
      "toolbar_field_text_focus": "rgba(241, 242, 247, 0)",
      "toolbar_top_separator": "rgba(88, 90, 98, 0)",
      "toolbar_vertical_separator": "rgba(164, 170, 194, 0)",
      "tab_loading": "rgb(26, 100, 140)"
    }
  }
}