Examine source code of DarkUnivers

{
  "name": "DarkUnivers",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "Image_642650_1553858810.jpeg"
    },
    "colors": {
      "frame": "rgba(30, 46, 138, 0.24)",
      "tab_background_text": "rgba(35, 85, 194, 0.38)",
      "toolbar": "rgba(8, 23, 64, 0.33)",
      "bookmark_text": "rgba(17, 121, 219, 0.52)",
      "toolbar_field": "rgba(5, 18, 71, 0.31)",
      "toolbar_field_text": "rgba(16, 113, 161, 0.56)"
    }
  }
}