Examine source code of Vinesauce Big

{
  "name": "Vinesauce Big",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "Vinebig.png"
    },
    "colors": {
      "frame": "rgba(121, 191, 101, 0)",
      "tab_background_text": "rgba(186, 255, 238, 1)",
      "toolbar": "rgba(0, 0, 0, 0.25)",
      "bookmark_text": "rgba(186, 255, 238, 1)",
      "toolbar_field": "rgba(26, 43, 38, 0.52)",
      "toolbar_field_text": "rgba(53, 153, 72, 1)",
      "tab_line": "rgba(22, 37, 32, 1)"
    }
  }
}