Examine source code of Mate Deep Black

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Deep Black",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(17, 17, 17)",
      "toolbar_text": "rgb(181, 181, 181)",
      "frame": "rgb(10, 10, 10)",
      "tab_background_text": "rgb(89, 89, 89)",
      "toolbar_field": "rgb(14, 14, 14)",
      "toolbar_field_text": "rgb(192, 192, 192)",
      "tab_line": "rgb(75, 75, 75)",
      "popup": "rgb(21, 21, 21)",
      "popup_text": "rgb(188, 188, 188)",
      "button_background_hover": "rgb(33, 33, 33)",
      "icons_attention": "rgb(255, 255, 255)",
      "ntp_background": "rgb(22, 22, 22)",
      "sidebar_border": "rgb(14, 14, 14)",
      "sidebar_text": "rgb(172, 172, 172)",
      "sidebar": "rgb(18, 18, 18)",
      "tab_background_separator": "rgb(33, 33, 33)",
      "toolbar_field_border_focus": "rgb(48, 48, 48)",
      "toolbar_top_separator": "rgb(17, 17, 17)",
      "tab_loading": "rgb(75, 75, 75)"
    }
  }
}