Examine source code of Batman Emblem - Orange

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Batman Emblem - Orange",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(8, 7, 3)",
      "toolbar_text": "rgb(175, 115, 56)",
      "frame": "rgb(120, 115, 125)",
      "tab_background_text": "rgb(61, 61, 61)",
      "toolbar_field": "rgb(120, 120, 135)",
      "toolbar_field_text": "rgb(58, 57, 87)",
      "tab_line": "rgb(175, 115, 56)",
      "popup": "rgb(38, 37, 33)",
      "popup_text": "rgb(175, 115, 56)",
      "tab_loading": "rgb(175, 115, 56)"
    }
  }
}