Examine source code of TERA

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "TERA",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(2, 2, 9, 0.76)",
      "toolbar_text": "rgb(164, 7, 186)",
      "frame": "rgb(204, 166, 235)",
      "tab_background_text": "rgb(138, 21, 175)",
      "toolbar_field": "rgb(236, 220, 249)",
      "toolbar_field_text": "rgb(159, 65, 190)",
      "tab_line": "rgb(253, 124, 73)",
      "popup": "rgb(236, 220, 249)",
      "popup_text": "rgb(159, 65, 190)",
      "tab_loading": "rgb(253, 124, 73)"
    }
  }
}