Only available on phpFox 4.6.1
Please note this option is only available on Material template with phpFox 4.6.1 or above.
Go to Admin CP >> Appearance >> Themes >> Choose 'Material Template' and select Edit.
On the next page, select Design and scroll down until you see these below options:
From here you can enable/disable by ticking/un-ticking the appropriate options.
Hit Publish button to save the settings.