Translations:User:SGrabarczuk (WMF)/sandbox/3/51/qqq

Before translating this, check how the [https://www.mediawiki.org/wiki/Reading/Web/Desktop_Improvements/Frequently_asked_questions#Why_is_the_width_of_the_content_limited?_Why_is_there_so_much_white_space? relevant FAQ heading] has been translated.