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CSS rem and em Units – Relative Length Units for Font Size

This story is from 2026-10-02. It is preserved in the archive; the latest stories are on the live feed.

😄 This post is based on the content from coding.courses . rem and em Units The rem and em units are both relative length units that specify size or length based on the font-size (the text size) of a particular element. The rem unit is based on the font-size of the root element, the element. The em…

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  1. 2026-10-02 05:40 · DEV Community — AI
    CSS rem and em Units – Relative Length Units for Font Size

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