Examine source code of Aesthetica Dark

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Aesthetic Dark",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-022-0e8aa16bfcfce2449791412d89f3a92b.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(47, 47, 143)",
      "toolbar_text": "rgb(190, 0, 255)",
      "frame": "rgb(4, 20, 6)",
      "tab_background_text": "rgb(8, 207, 247)",
      "toolbar_field": "rgb(7, 8, 7)",
      "toolbar_field_text": "rgb(4, 214, 255)",
      "tab_line": "rgb(4, 251, 179)",
      "popup": "rgb(113, 213, 146)",
      "popup_text": "rgb(0, 0, 0)",
      "button_background_hover": "rgb(255, 255, 255)",
      "icons": "rgb(90, 255, 0)",
      "popup_border": "rgb(0, 2, 6)",
      "popup_highlight": "rgb(23, 91, 225)",
      "sidebar": "rgb(157, 14, 165)",
      "tab_loading": "rgb(136, 42, 139)",
      "tab_selected": "rgb(1, 9, 13)",
      "tab_text": "rgb(248, 0, 255)",
      "toolbar_bottom_separator": "rgb(9, 241, 50)",
      "toolbar_field_border": "rgb(9, 234, 54)",
      "toolbar_field_highlight_text": "rgb(16, 120, 226)",
      "toolbar_field_separator": "rgb(197, 212, 230)",
      "toolbar_field_text_focus": "rgb(7, 246, 51)"
    }
  }
}