how do I set the screen sizes for responsive design view?
I previously was able to select one of several standard screen sizes for responsive design view when testing a website but now can only select one size. Why and how do I change this?
Soluzione scelta
Is the drop down list on the responsive design view window empty?
Do you have a devtools.responsiveUI.presets pref on the about:config page?
If that is the case then try to reset this pref to get the default built-in presets.
- http://mxr.mozilla.org/mozilla-release/source/browser/devtools/responsivedesign/responsivedesign.jsm
You can open the about:config page via the location/address bar. You can accept the warning and click "I'll be careful" to continue.
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Soluzione scelta
Is the drop down list on the responsive design view window empty?
Do you have a devtools.responsiveUI.presets pref on the about:config page?
If that is the case then try to reset this pref to get the default built-in presets.
- http://mxr.mozilla.org/mozilla-release/source/browser/devtools/responsivedesign/responsivedesign.jsm
You can open the about:config page via the location/address bar. You can accept the warning and click "I'll be careful" to continue.