Examine source code of att

{
  "name": "att",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "sa_groups_img_family_grid.png"
    },
    "colors": {
      "frame": "rgba(28, 31, 38, 1)",
      "tab_background_text": "rgba(212, 53, 53, 1)",
      "toolbar": "rgba(136, 140, 136, 0.48)",
      "bookmark_text": "rgba(222, 37, 182, 1)",
      "toolbar_field": "rgba(131, 158, 133, 1)",
      "toolbar_field_text": "rgba(59, 41, 41, 1)"
    }
  }
}