Examine source code of Leo tsukinaga

{
  "name": "Leo tsukinaga",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "leo.gif"
    },
    "colors": {
      "frame": "rgba(185, 241, 250, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(255, 71, 71, 0)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(222, 124, 124, 0)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(74, 57, 57, 1)"
    }
  }
}