Examine source code of BLACK N RED

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "BLACK N RED",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-028-5466583598afcc175c90e35aceb1246b.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(27, 40, 45)",
      "toolbar_text": "rgb(143, 143, 143)",
      "frame": "rgb(5, 0, 0)",
      "tab_background_text": "rgb(255, 0, 0)",
      "toolbar_field": "rgb(0, 0, 0)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(243, 20, 20)",
      "popup": "rgb(27, 40, 45)",
      "popup_text": "rgb(140, 140, 140)",
      "button_background_hover": "rgb(77, 66, 66)",
      "icons": "rgb(243, 20, 20)",
      "ntp_background": "rgb(44, 44, 47)",
      "ntp_text": "rgb(230, 230, 246)",
      "tab_text": "rgb(247, 12, 12)",
      "tab_loading": "rgb(243, 20, 20)"
    }
  }
}