Examine source code of A twist

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "A twist",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-016-af8c49de75012ca2c007f953ff2e4499.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(91, 210, 230, 0.7)",
      "toolbar_text": "rgb(28, 71, 227)",
      "frame": "rgb(87, 115, 115)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(206, 101, 218, 0.62)",
      "toolbar_field_text": "rgb(0, 15, 1)",
      "tab_line": "rgb(0, 54, 255)",
      "popup": "rgb(17, 132, 132)",
      "popup_text": "rgb(255, 255, 255)",
      "icons_attention": "rgb(255, 0, 0)",
      "icons": "rgb(255, 255, 255)",
      "ntp_background": "rgb(238, 14, 14)",
      "ntp_text": "rgb(255, 255, 255)",
      "popup_border": "rgb(0, 0, 0)",
      "popup_highlight_text": "rgb(249, 3, 3)",
      "popup_highlight": "rgb(255, 0, 0)",
      "tab_background_separator": "rgba(255, 0, 0, 0.78)",
      "tab_selected": "rgb(255, 0, 0)",
      "tab_text": "rgb(255, 255, 255)",
      "tab_loading": "rgb(0, 54, 255)"
    }
  }
}