[jackie_w]

Originally Posted by BenChen

Could you share your custom patch? It would be good to see it, and then maybe work out my own custom patch.

Here it is. It's a nickel.yaml patch:

Spoiler:

jackie_w Screensaver full:
  - Enabled: no
  - Description: |
      On fullscreen sleep screensaver reduce size of infoWidget
      Make infoWidget invisible when Sleeping, visible when Powered Off
      N.B: Not suitable for Japanese/Chinese locale users
  - FindZlib: "#infoFrame"
  - ReplaceZlibGroup:
      Replacements:
        # free some space
        - {Find: "#batteryStatus[localeName=\"ja\"] {\n  font-family: Sans-SerifJP, sans-serif;\n  font-style: normal;\n}\n#batteryStatus[localeName=\"zh\"] {\n  font-family: Sans-SerifZH-Traditional, sans-serif;\n  font-style: normal;\n}\n#batteryStatus[localeName=\"zh-TW\"] {\n  font-family: Sans-SerifZH-Traditional, sans-serif;\n  font-style: normal;\n}\n", Replace: "\n"}
        # #infoWidget reduce width
        - {Find: "width: 470px;", Replace: "width: 320px;"} #Dragon
        - {Find: "width: 611px;", Replace: "width: 390px;"} #Daylight
        # #infoWidget, #infoFrame: reduce top/bottom/right margins
        - {Find: "Margin: 22px;", Replace: "Margin: 5px;"}  #Dragon
        - {Find: "Margin: 28px;", Replace: "Margin: 7px;"}  #Daylight
        # #infoFrame: remove Sleeping borders
        - {Find: "#infoFrame {\n  border-top: 1px solid black;\n  border-bottom: 1px solid black;\n  border-right: 1px solid black;\n}\n", Replace: "\n"}
        # #infoFrame: reduce left margin
        - {Find: "leftMargin: 44px;", Replace: "leftMargin: 5px;"}  # Dragon
        - {Find: "leftMargin: 56px;", Replace: "leftMargin: 7px;"}  # Daylight
        # #infoWidget size reduced to zero when Sleeping
        - Find:    "#batteryStatus {\n  font-family: Georgia;\n}"
          Replace: "#infoWidget[powerOffView=false] {\n  min-width:0px; max-width:0px;\n  min-height:0px; max-height:0px;\n  qproperty-topMargin:0px; qproperty-bottomMargin:0px;\n  qproperty-leftMargin:0px; qproperty-rightMargin:0px;\n}\n#batteryStatus {\n  font-family: Avenir;\n}"

Please note I've only patched values for Dragon/Daylight Kobo models. But it looks like you have a GloHD (which uses Dragon values for this particular patch) so it should be OK for you.