Your zoom controls.

<Control> + (plus) enlarge <Control> - (minus) reduce <Control> 0 (zero) restore

Separate Issue; Your System Details shows;

Installed Plug-ins

Shockwave Flash 11.8 r800 Shockwave Flash 19.0 r0
Having more than one version of a program may cause issues. You must remove the older programs. Then get the current full installer.

Note: Edge on Win10 does not use ActiveX version but its own Flash.

Flash: Grab the uninstaller from here: Uninstall Flash Player | Windows Uninstall Flash Player | Mac

Then reinstall the latest version.

Flash Player Version 19.0.0.185
https://www.adobe.com/products/flashplayer/distribution3.html Note: Windows users must download the “Internet Explorer” and “Plugin-based browsers” installers.

An easy way to radically change the zoom level on the page is to hold down the Ctrl key and scroll the mouse wheel. Even with thin fingers!

Thanks very much for your support.FredMcD said

Your zoom controls. <Control> + (plus) enlarge <Control> - (minus) reduce <Control> 0 (zero) restore

jscher2000 said

An easy way to radically change the zoom level on the page is to hold down the Ctrl key and scroll the mouse wheel. Even with thin fingers!

Thanks very much for your support!