Examine source code of rihanna cute pink theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "riri",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(248, 112, 140, 0.12)",
      "toolbar_text": "rgb(114, 80, 18)",
      "frame": "rgb(248, 202, 211)",
      "tab_background_text": "rgb(3, 2, 0)",
      "toolbar_field": "rgb(227, 250, 245)",
      "toolbar_field_text": "rgb(239, 31, 138)",
      "tab_line": "rgb(248, 112, 140)",
      "popup": "rgb(248, 202, 211)",
      "popup_text": "rgb(0, 0, 0)",
      "button_background_hover": "rgba(245, 11, 132, 0.47)",
      "icons_attention": "rgba(168, 240, 229, 0.86)",
      "tab_loading": "rgba(168, 240, 229, 0.86)",
      "tab_selected": "rgb(239, 31, 138)",
      "tab_text": "rgb(255, 255, 255)",
      "toolbar_bottom_separator": "rgb(239, 31, 138)",
      "toolbar_top_separator": "rgba(239, 31, 138, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ac5bb5ba-8c5c-4647-ac60-2229b7515d6e}"
    }
  }
}