Examine source code of old and metallic theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "old ans metallic theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left bottom"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(71, 71, 71, 0.13)",
      "toolbar_text": "rgb(192, 192, 196)",
      "frame": "rgb(47, 47, 47)",
      "tab_background_text": "rgb(214, 214, 221)",
      "toolbar_field": "rgba(52, 52, 52, 0.43)",
      "toolbar_field_text": "rgb(218, 218, 218)",
      "tab_line": "rgb(157, 245, 255)",
      "popup": "rgb(95, 95, 105)",
      "popup_text": "rgb(252, 254, 255)",
      "tab_loading": "rgb(157, 245, 255)"
    }
  }
}