Examine source code of Study Right New Tab

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Blue Texture Theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(68, 32, 227, 0.8)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(59, 137, 189)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(84, 110, 163, 0.2)",
      "toolbar_field_text": "rgb(255, 249, 251)",
      "tab_line": "rgb(215, 54, 97)",
      "popup": "rgb(37, 89, 123)",
      "popup_text": "rgb(255, 255, 255)",
      "tab_loading": "rgb(215, 54, 97)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{53333129-9315-4fe6-b3b3-062d0044bb44}"
    }
  }
}