Examine source code of My Best Theme Yet

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "My Best Theme Yet",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-039-717a66ba4d455686088c80f391cb3264.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(251, 176, 0)",
      "toolbar_text": "rgb(248, 112, 140)",
      "frame": "rgb(0, 161, 255)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(164, 73, 164)",
      "toolbar_field_text": "rgb(0, 255, 234)",
      "tab_line": "rgb(0, 0, 0)",
      "popup": "rgb(0, 255, 35)",
      "popup_text": "rgb(98, 102, 183)",
      "button_background_active": "rgb(11, 11, 11)",
      "button_background_hover": "rgb(255, 2, 57)",
      "icons": "rgb(103, 255, 0)",
      "ntp_background": "rgb(0, 255, 41)",
      "popup_border": "rgb(0, 255, 55)",
      "popup_highlight_text": "rgb(255, 92, 2)",
      "sidebar_border": "rgb(255, 104, 0)",
      "tab_loading": "rgb(42, 0, 245)",
      "tab_selected": "rgb(255, 241, 2)",
      "tab_text": "rgb(255, 145, 0)",
      "toolbar_field_border": "rgb(255, 0, 248)"
    }
  }
}