@rakeshsingh Resolved with "--force-device-scale-factor=1.25"
I map Super+O in XFCE to launch /usr/bin/opera-gx --force-device-scale-factor=1.25
Not recommended, but I also changed the shortcut.
bat /usr/share/applications/opera-gx.desktop
─────┬─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
│ File: /usr/share/applications/opera-gx.desktop
─────┼─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
1 │ [Desktop Entry]
2 │ Version=1.0
3 │ Name=Opera GX
4 │ GenericName=Web browser
5 │ Comment=Fast and secure web browser
6 │ TryExec=opera-gx
7 │ Exec=opera-gx --force-device-scale-factor=1.25 %U
8 │ Terminal=false
9 │ Icon=opera-gx
10 │ Type=Application
11 │ Categories=Network;WebBrowser;
12 │ MimeType=text/html;text/xml;application/xhtml_xml;x-scheme-handler/http;x-scheme-handler/https;x-scheme-handler/ftp;application/x-opera-download;
13 │ Actions=new-window;new-private-window;
14 │ StartupWMClass=Opera GX
15 │
16 │ [Desktop Action new-window]
17 │ Name=New Window
18 │ Exec=opera-gx --force-device-scale-factor=1.25 --new-window
19 │ TargetEnvironment=Unity
20 │
21 │ [Desktop Action new-private-window]
22 │ Name=New Private Window
23 │ Exec=opera-gx --force-device-scale-factor=1.25 --incognito
24 │ TargetEnvironment=Unity
