anchor.diff:  
   Fonts:: Choose your font family and sizes. Medium sizes are used by default.
   
  -==== Advanced configuration
  +=== Advanced customization
   
   If you want to customize further, you can define the graphic properties to expose for each component.
   
  -Each component uses its own properties, but where possible, we group the properties into common variables such as the ones listed in <<Simple configuration>> above.
  +Each component uses its own properties, but where possible, we group the properties into common variables such as the ones listed in <<Basic customization>> above.
   
   You can see common component colors, for example, by holding your mouse over the color bubble.
   For other property types, if a common property is used, you can see this in the placeholder field.
   
  -=== Overriding theme files
  -APIM Portal API comes with a default theme and two default logos:
  +== Override theme files
  +APIM API comes with a default theme and two default logos:
   
   * `definition.json`
   * `logo.png`
   * `logo-light.png`
   
  -These files are located in the `/themes` folder of the Portal API distribution folder.
  +These files are located in the `/themes` folder of the API distribution folder.
   
   To customize the Portal theme you can either modify these three files or specify a new folder in the `gravitee.yml` file:
   
  
positive.code: image::apim/3.x/installation/portal-ui/portal-url.png[]
  ====
  
  ==== Top menu
  FULLSCREEN:: This button opens the preview in a new window, making it easier to edit if you have several screens.
  NOTE: This button is only visible if you configure a Portal URL, as described above.
  
  
negative.code: :page-keywords: Gravitee.io, API Platform, API Management, API Gateway, oauth2, openid, documentation, manual, guide, reference, api
  :page-layout: apim3x
  
  == Configuration file
  
  The configuration file for APIM Portal is `assets\config.json`. You can see the default configuration in the example below.
  
  [source,json]
  ----
  include::https://raw.githubusercontent.com/gravitee-io/gravitee-portal-webui/master/src/assets/config.json[]
  ----
  
  === Mandatory configuration
  
  The only mandatory value in the `config.json` file is `baseURL`, which describes where the APIM API Portal endpoint is. You must set this value so that APIM Portal can send requests to it.
  
  == Configure the APIM Portal theme
  You can change the default theme of APIM Portal to your own custom theme.
  
  You customize the theme in APIM Console with the *Settings > Theme* menu option.
  
  image::apim/3.x/installation/portal-ui/graviteeio-portal-configuration-theme.png[]
  
  Whenever you change a setting, you can see the change reflected in the live preview to the right.
  
  [NOTE]
  ====
  