https://connect.mozilla.org/t5/discussions/layout-css-devpixelsperpx/m-p/42594#M15359 <P>Hello</P><P>layout.css.devPixelsPerPx<BR /><A href="https://www.youtube.com/embed/_f--9o1udPI" target="_blank">https://www.youtube.com/embed/_f--9o1udPI</A></P><P>But you should be careful when you try to modify layout.css.devPixelsPerPx<BR />If it's really but hugely exaggerated ...<BR />Like the configuration editor is no longer accessible<BR />In this case, the solution is to stop Thunderbird start Thunderbird stop Thunderbird<BR />Then in the user profile <A href="https://support.mozilla.org/en-US/kb/profiles-where-thunderbird-stores-user-data" target="_blank">https://support.mozilla.org/en-US/kb/profiles-where-thunderbird-stores-user-data</A> modify prefs.js level layout.css.devPixelsPerPx and reset to default value -1.0 and save prefs.js and start Thunderbird</P> Fri, 20 Oct 2023 11:35:18 GMT Agentvirtuel 2023-10-20T11:35:18Z https://connect.mozilla.org/t5/discussions/layout-css-devpixelsperpx/m-p/42594#M15359 <P>Hello</P><P>layout.css.devPixelsPerPx<BR /><A href="https://www.youtube.com/embed/_f--9o1udPI" target="_blank">https://www.youtube.com/embed/_f--9o1udPI</A></P><P>But you should be careful when you try to modify layout.css.devPixelsPerPx<BR />If it's really but hugely exaggerated ...<BR />Like the configuration editor is no longer accessible<BR />In this case, the solution is to stop Thunderbird start Thunderbird stop Thunderbird<BR />Then in the user profile <A href="https://support.mozilla.org/en-US/kb/profiles-where-thunderbird-stores-user-data" target="_blank">https://support.mozilla.org/en-US/kb/profiles-where-thunderbird-stores-user-data</A> modify prefs.js level layout.css.devPixelsPerPx and reset to default value -1.0 and save prefs.js and start Thunderbird</P> Fri, 20 Oct 2023 11:35:18 GMT https://connect.mozilla.org/t5/discussions/layout-css-devpixelsperpx/m-p/42594#M15359 Agentvirtuel 2023-10-20T11:35:18Z