Examine source code of BTS - BE

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "BTS - BE",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(70, 157, 208, 0.4)",
      "toolbar_text": "rgb(65, 65, 65)",
      "frame": "rgb(255, 255, 255)",
      "tab_background_text": "rgb(152, 197, 223)",
      "toolbar_field": "rgba(255, 255, 255, 0.5)",
      "toolbar_field_text": "rgb(65, 65, 65)",
      "tab_line": "rgb(0, 80, 132)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(65, 65, 65)",
      "ntp_background": "rgb(255, 255, 255)",
      "tab_selected": "rgb(227, 243, 255)",
      "tab_loading": "rgb(0, 80, 132)"
    }
  }
}