Examine source code of Retro Floral Gradient

{
  "manifest_version": 2,
  "version": "2.0",
  "name": "Retro Floral Gradient",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center top"
      ],
      "additional_backgrounds_tiling": [
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgba(70, 190, 197, 0.45)",
      "toolbar_text": "rgb(245, 255, 184)",
      "text shadow": "1px 1px 2px rgba(0, 0, 0,0.64)",
      "frame": "rgb(145, 143, 179)",
      "tab_background_text": "rgb(5, 97, 122)",
      "text-shadow": "2px 2px 3px rgba(0, 0, 0, 0.65)",
      "icons_attention": "rgb(60, 83, 131)",
      "toolbar_field": "rgba(255, 219, 236, 0.79)",
      "toolbar_field_text": "rgb(22, 12, 133)",
      "toolbar_field_highlight": "rgba(248, 120, 183, 0.58)",
      "toolbar_field_highlight_text": "rgb(255, 247, 164)",
      "toolbar_field_separator": "rgb(89, 255, 255)",
      "toolbar_field_border": "rgba(145, 143, 179, 0.87)",
      "toolbar_bottom_separator": "rgb(145, 143, 179)",
      "toolbar_vertical_separator": "rgb(245, 255, 184)",
      "toolbar_top_separator": "rgba(0, 0, 0, 0.45)",
      "tab_line": "rgb(89, 255, 255)",
      "tab_loading": "rgb(245, 255, 184)",
      "tab_background_separator": "rgb(5, 97, 122)",
      "popup": "rgb(60, 83, 131)",
      "popup_text": "rgb(250, 219, 255)",
      "ntp_background": "rgba(34, 135, 158, 0.45)",
      "ntp_text": "rgb(245, 255, 184)"
    }
  }
}