Examine source code of Red/Black Gamer Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Gamer Theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-013-06591d4ad28ab7b9ee90f62f81d6b505.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(19, 19, 19)",
      "toolbar_text": "rgb(255, 0, 0)",
      "frame": "rgb(20, 18, 18)",
      "tab_background_text": "rgb(255, 84, 84)",
      "toolbar_field": "rgba(59, 59, 59, 0.53)",
      "toolbar_field_text": "rgb(255, 124, 124)",
      "tab_line": "rgb(255, 0, 0)",
      "popup": "rgb(30, 30, 30)",
      "popup_text": "rgb(255, 48, 48)",
      "button_background_active": "rgb(53, 53, 53)",
      "button_background_hover": "rgb(41, 41, 41)",
      "frame_inactive": "rgb(50, 48, 48)",
      "icons_attention": "rgb(255, 137, 137)",
      "icons": "rgb(255, 0, 0)",
      "ntp_background": "rgb(40, 40, 40)",
      "ntp_text": "rgb(255, 255, 255)",
      "popup_border": "rgb(255, 0, 3)",
      "sidebar_border": "rgb(21, 21, 21)",
      "sidebar_highlight_text": "rgb(255, 255, 255)",
      "sidebar_highlight": "rgb(62, 62, 62)",
      "sidebar_text": "rgb(255, 255, 255)",
      "sidebar": "rgb(36, 36, 36)",
      "tab_background_separator": "rgb(68, 33, 33)",
      "tab_loading": "rgb(255, 0, 0)",
      "tab_selected": "rgb(32, 32, 32)",
      "tab_text": "rgb(255, 0, 0)"
    }
  }
}