If you want to view your Firefox preferences you can type about:preferences into the address bar or :menuselection:`Hamburger menu --> Settings`. To find something in settings search in the :guilabel:`Find in settings` box. The :guilabel:`General` tab has settings for opening Firefox after closing and the appearance of Firefox. To have your session restored each time you restart Firefox is to check the :guilabel:`Open previous windows and tabs` checkbox. To switch between which tabs you were recently using by pressing control and tab at the same time check the :guilabel:`Ctrl + Tab cycles through tabs in recently used order`. The tabs section has a checkbox to :guilabel:`Open links in new tabs instead of new windows` which is checked by default. The checkbox for :guilabel:`When you open a link, image or media in a new tab switch to it immediately` switches to new tabs when you open them. To confirm closing multiple tabs check the :guilabel:`Confirm before closing multiple tabs` checkbox. To not confirm when quitting by :kbd:`control + q` uncheck the :guilabel:`Confirm before quitting with ctrl+Q`.
To tell websites what theme to use use the themes under :guilabel:`Website appearance`. To use your system theme for Firefox check the :guilabel:`Automatic` button. To switch to always using a light theme on Firefox press the :guilabel:`Light` button. To always use a dark theme for Firefox press the :guilabel:`Dark` button. To switch back to the default Firefox theme press the :guilabel:`Firefox theme` button. To change your default fonts and colors use the :guilabel:`Fonts and Colors` section. To change colors for Firefox press :guilabel:`Manage Colors` button. To select the default font choose :guilabel:`Default font` from the field. To select a different font size change the :guilabel:`Size` field. To change the default zoom change the :guilabel:`Default zoom` field. To only zoom the text check the :guilabel:`Zoom text only` checkbox. To choose where to download files change where to download in the :guilabel:`Save files to` field. To always ask to save files check the :guilabel:`Always ask you where to save files` checkbox. To choose what program firefox should use to open files use the options in Applications menu. To search for a partiuclar file type type in the :guilabel:`Search file types or applications` field. To see which file type read the :guilabel:`Content Type` column. To chose what to do with this filetype change what you are doing in the :guilabel:`Action` column. To always save other files press the :guilabel:`Save files` button. To have Firefox ask what to do with other files press the :guilabel:`Ask whetehr to open or save files` button. To change To toggle drm controlled content check/uncheck the :guilabel:`Play DRM-controlled content` checkbox.
To tell websites what theme to use use the themes under :guilabel:`Website appearance`. To use your system theme for Firefox check the :guilabel:`Automatic` button. To switch to always using a light theme on Firefox press the :guilabel:`Light` button. To always use a dark theme for Firefox press the :guilabel:`Dark` button. To switch back to the default Firefox theme press the :guilabel:`Firefox theme` button. To change your default fonts and colors use the :guilabel:`Fonts and Colors` section. To change colors for Firefox press :guilabel:`Manage Colors` button. To select the default font choose :guilabel:`Default font` from the field. To select a different font size change the :guilabel:`Size` field. To change the default zoom change the :guilabel:`Default zoom` field. To only zoom the text check the :guilabel:`Zoom text only` checkbox. To choose where to download files change where to download in the :guilabel:`Save files to` field. To always ask to save files check the :guilabel:`Always ask you where to save files` checkbox. To choose what program Firefox should use to open files use the options in Applications menu. To search for a particular file type type in the :guilabel:`Search file types or applications` field. To see which file type read the :guilabel:`Content Type` column. To chose what to do with this filetype change what you are doing in the :guilabel:`Action` column. To always save other files press the :guilabel:`Save files` button. To have Firefox ask what to do with other files press the :guilabel:`Ask whether to open or save files` button. To change To toggle drm controlled content check/uncheck the :guilabel:`Play DRM-controlled content` checkbox.
To middle click and then scroll by moving the mouse check the :guilabel:`Use autoscrolling` checkbox. To turn off smooth scrolling in Firefox uncheck the :guilabel:`Use smooth scrolling` checkbox. To have Firefox always show scrollbars check the :guilabel:`Always show scrollbars` checkbox. To always use the cursor keys for navigation check the :guilabel:`Always use the cursor keys to navigate within pages` checkbox. If you want to turn off picture in picture mode for videos uncheck the :guilabel:`Enable picture in picture video controls`.