Examine source code of blue lava

{
  "name": "blue lava",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "toolbarBG.png"
    },
    "colors": {
      "frame": "rgba(16, 24, 59, 0.88)",
      "tab_background_text": "rgba(43, 84, 125, 1)",
      "toolbar": "rgba(11, 16, 54, 0.38)",
      "bookmark_text": "rgba(0, 118, 252, 1)",
      "toolbar_field": "rgba(12, 30, 79, 0.8)",
      "toolbar_field_text": "rgba(0, 0, 0, 0.44)"
    }
  }
}