Examine source code of MIX - Office

{
  "manifest_version": 2,
  "version": "2.0",
  "name": "MIX - Office",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-030-83d4b797b9aa01c127a9fb2224535caf.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(234, 243, 235)",
      "toolbar_field": "rgb(245, 245, 210)",
      "toolbar_field_text": "rgb(203, 67, 6)",
      "tab_line": "rgb(7, 116, 1)",
      "popup": "rgb(245, 245, 210)",
      "popup_text": "rgb(7, 116, 1)",
      "tab_loading": "rgb(7, 116, 1)",
      "bookmark_text": "rgb(108, 1, 116)",
      "frame": "rgb(203, 67, 6)",
      "tab_background_text": "rgb(6, 76, 120)"
    }
  }
}