Examine source code of Spring Pop 2

{
  "name": "Spring Pop 2",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "lucas-benjamin-wQLAGv4_OYs-unsplashxxx copy.jpg"
    },
    "colors": {
      "frame": "rgba(158, 29, 29, 1)",
      "tab_background_text": "rgba(250, 247, 170, 1)",
      "toolbar": "rgba(111, 102, 173, 1)",
      "bookmark_text": "rgba(8, 207, 247, 1)",
      "toolbar_field": "rgba(59, 64, 135, 1)",
      "toolbar_field_text": "rgba(250, 250, 208, 1)",
      "tab_line": "rgba(17, 209, 247, 1)"
    }
  }
}