Examine source code of vaynhanhonline

{
  "name": "vaynhanhonline",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "vaynhanhonline.png"
    },
    "colors": {
      "frame": "rgba(198, 202, 209, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(232, 28, 28, 1)",
      "bookmark_text": "rgba(235, 94, 94, 1)",
      "toolbar_field": "rgba(235, 226, 226, 1)",
      "toolbar_field_text": "rgba(20, 13, 13, 1)",
      "tab_line": "rgba(237, 228, 228, 1)"
    }
  }
}