Examine source code of Red Bliss

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Red Bliss",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-008-60d2718f8c915b5ba09f31df5555b459.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(239, 113, 125)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(188, 32, 47)",
      "tab_background_text": "rgb(249, 246, 247)",
      "toolbar_field": "rgb(251, 234, 236)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(251, 234, 236)",
      "popup": "rgb(249, 245, 245)",
      "popup_text": "rgb(0, 0, 0)",
      "tab_selected": "rgb(251, 234, 236)",
      "tab_text": "rgb(100, 0, 53)",
      "tab_loading": "rgb(251, 234, 236)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{26ba5fa3-c4eb-48e3-a53d-99a3e40447a3}"
    }
  }
}