Examine source code of stylized blue 2

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "sty",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(6, 20, 43)",
      "toolbar_text": "rgb(67, 194, 218)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(24, 156, 180)",
      "toolbar_field": "rgb(28, 42, 52)",
      "toolbar_field_text": "rgb(3, 209, 253)",
      "tab_line": "rgb(67, 194, 218)",
      "popup": "rgb(9, 44, 74)",
      "popup_text": "rgb(140, 177, 167)",
      "frame_inactive": "rgb(1, 0, 7)",
      "tab_selected": "rgb(176, 214, 190)",
      "tab_text": "rgb(9, 38, 45)",
      "tab_loading": "rgb(67, 194, 218)"
    }
  }
}