Examine source code of Blue Architecture

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Transparent Blue",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(9, 14, 34, 0.54)",
      "toolbar_text": "rgb(212, 222, 255)",
      "frame": "rgb(1, 11, 36)",
      "tab_background_text": "rgb(192, 197, 203)",
      "toolbar_field": "rgba(28, 28, 28, 0.7)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(31, 34, 61)",
      "popup": "rgba(9, 14, 34, 0.76)",
      "popup_text": "rgb(255, 255, 255)",
      "tab_loading": "rgb(31, 34, 61)"
    }
  }
}