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Continue to ChatQuery : Does CSS 'em' sizing still matter? As I know, em-sizing was used by websmasters to create well-scaling sites, when changing font size in browser. But in modern times, I see that scaling a page https://vmapp.org/query/93753/Does-CSS-Em-Sizing-Still-Matter-As-I-Know-Em-Sizing-Was-Used-By-Websmasters-To-Create-Well-Scaling-Sites-When-Changing-Font-Size-In-Browser-But-In-Modern-Times-I-See-That-Scaling-A-Page/