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CSS units have been the subject of several articles here on SitePoint (such as A Look at Length Units in CSS, The New CSS3 Relative Font Sizing Units, and The Power of em Units in CSS).In this article, we increase the count by having an in-depth look at rem units, which have excellent browser support and a polyfill if you need support for old IE.

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rem A relative unit, like em, but it is always relative to the “root” element (i.e. :root {} ) rather than using the cascade like em does. This vastly simplifies working with relative units. so if you change root element font size all values will changes accordingly.

While most browsers default the html font size at 16px (meaning 1 rem = 16 pixels), we can adjust the root font size in order to achieve our desired outcome. The em and rem are the relative (or flexible) units as oppose to px, which is an absolute (or fixed) unit. Both em and rem are translated by the browser into pixel (px) values, depending on the default font-size setting of the browser. rem A relative unit, like em, but it is always relative to the “root” element (i.e. :root {} ) rather than using the cascade like em does. This vastly simplifies working with relative units.

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If font-size is not explicitly defined in root element then 1rem will be equal to the default font-size PX to REM Converter. REM, short for root em, is one of the font-relative measurement units commonly used in css.This px to rem converter is a free online tool you can use to convert from px value to it's rem equivalent. Get code examples like "rem in css" instantly right from your google search results with the Grepper Chrome Extension. CSS Values and Units Module Level 3http://www.w3.org/TR/2013/CR-css3-values-20130730/Font sizing with Remhttp://snook.ca/archives/html_and_css/font-size-with Rem Units.

Now REM stands for root-M, and it's similar to an em unit, 0:11. the difference is that it's only relative to the root element of the page, 0:16.

When specified on the font-size property of the root element, the rem units refer to the property’s initial value. This means that 1rem equals the font size of the html element (which for most

av K Anióse · 2020 — Unit of Audiology Förändringar inom respektive grupp, CSS . säkras genom REM-mätning (RealEarMeasurement; British Society, 2018), för eventuell juste-.