Examine source code of Steam Like

{
  "manifest_version": 2,
  "version": "5.2",
  "name": "Steam Like",
  "theme": {
    "images": {
      "theme_frame": "steam-gradient.jpg",
      "additional_backgrounds": [
        "steam-gradient.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "bookmark_text": "rgba(190, 190, 190)",
      "button_background_active": "rgba(92, 126, 16)",
      "button_background_hover": "rgba(61, 146, 175)",
      "icons": "rgba(190, 190, 190)",
      "icons_attention": "rgba(61, 146, 175)",
      "frame": "rgba(21, 36, 57)",
      "frame_inactive": "rgba(21, 36, 57)",
      "ntp_background": "rgba(29, 37, 51)",
      "ntp_text": "rgba(190, 190, 190)",
      "popup": "rgba(210, 220, 229)",
      "popup_border": "rgba(190, 190, 190)",
      "popup_highlight": "rgba(162, 170, 179)",
      "popup_highlight_text": "white",
      "popup_text": "rgba(51, 74, 94)",
      "sidebar": "rgba(210, 220, 229)",
      "sidebar_border": "rgba(190, 190, 190)",
      "sidebar_highlight": "rgba(162, 170, 179)",
      "sidebar_highlight_text": "white",
      "sidebar_text": "rgba(51, 74, 94)",
      "tab_background_separator": "rgba(190, 190, 190)",
      "tab_background_text": "rgba(190, 190, 190)",
      "tab_line": "rgba(190, 190, 190)",
      "tab_loading": "rgba(190, 190, 190)",
      "tab_selected": "rgba(0,0,0,0.4)",
      "tab_text": "rgba(190, 190, 190)",
      "toolbar": "rgba(0, 0, 0, 0.4)",
      "toolbar_field": "rgba(76, 92, 100)",
      "toolbar_field_border": "black",
      "toolbar_field_border_focus": "rgba(61, 146, 175)",
      "toolbar_field_focus": "rgba(76, 92, 100)",
      "toolbar_field_highlight": "grey",
      "toolbar_field_highlight_text": "white",
      "toolbar_field_separator": "rgba(190, 190, 190)",
      "toolbar_field_text": "white",
      "toolbar_field_text_focus": "white",
      "toolbar_bottom_separator": "rgba(190, 190, 190)",
      "toolbar_top_separator": "rgba(61, 146, 175)",
      "toolbar_vertical_separator": "rgba(190, 190, 190)"
    }
  }
}