Examine source code of Locus

{
  "manifest_version": 2,
  "version": "2.0",
  "name": "blueen",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(8, 74, 119, 0.24)",
      "toolbar_text": "rgb(225, 225, 225)",
      "frame": "rgb(143, 143, 143)",
      "tab_background_text": "rgb(222, 239, 168)",
      "toolbar_field": "rgb(77, 118, 133)",
      "toolbar_field_text": "rgb(222, 239, 168)",
      "tab_line": "rgb(222, 239, 168)",
      "popup": "rgb(53, 80, 89)",
      "popup_text": "rgb(214, 214, 214)",
      "tab_loading": "rgb(222, 239, 168)"
    }
  }
}