Examine source code of Matrix_Network

{
  "name": "Matrix_Network",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "_MatrixNetworkDOF.jpg"
    },
    "colors": {
      "frame": "rgba(82, 147, 179, 1)",
      "tab_background_text": "rgba(100, 167, 173, 1)",
      "toolbar": "rgba(116, 170, 181, 1)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(49, 87, 97, 1)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)"
    }
  }
}