Examine source code of Silver-Blue Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Silver-Blue Theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(204, 218, 242, 0.77)",
      "toolbar_text": "rgb(34, 85, 245)",
      "frame": "rgb(234, 243, 252)",
      "tab_background_text": "rgb(5, 140, 242)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(35, 10, 248)",
      "tab_line": "rgb(247, 177, 12)",
      "popup": "rgba(209, 225, 249, 0.93)",
      "popup_text": "rgb(29, 153, 248)",
      "button_background_active": "rgba(44, 123, 240, 0.4)",
      "button_background_hover": "rgba(67, 171, 241, 0.25)",
      "tab_selected": "rgba(88, 147, 237, 0.4)",
      "tab_loading": "rgb(247, 177, 12)"
    }
  }
}