Examine source code of -Vector Red-

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Vector Red",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(0, 0, 0, 0.45)",
      "toolbar_text": "rgb(255, 196, 196)",
      "frame": "rgb(142, 179, 201)",
      "tab_background_text": "rgb(255, 142, 142)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(255, 70, 70)",
      "tab_line": "rgb(248, 112, 140)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(255, 70, 70)",
      "button_background_active": "rgba(255, 143, 143, 0.41)",
      "icons_attention": "rgba(255, 0, 0, 0.41)",
      "popup_border": "rgb(0, 0, 0)",
      "sidebar_border": "rgb(0, 0, 0)",
      "sidebar_highlight_text": "rgb(255, 255, 255)",
      "sidebar_highlight": "rgb(255, 174, 174)",
      "sidebar_text": "rgb(255, 0, 0)",
      "sidebar": "rgb(255, 128, 128)",
      "tab_background_separator": "rgb(255, 70, 70)",
      "tab_selected": "rgba(255, 0, 0, 0.27)",
      "tab_text": "rgb(255, 255, 255)",
      "toolbar_bottom_separator": "rgb(255, 142, 142)",
      "toolbar_top_separator": "rgb(255, 142, 142)",
      "toolbar_vertical_separator": "rgb(255, 70, 70)",
      "tab_loading": "rgb(248, 112, 140)"
    }
  }
}