28th November 2019

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What is an em in CSS?

In CSS, an em unit is equal to the computed font-size for the element to which the em is applied. If no font size is defined anywhere in the CSS, the em unit will be equal to the browser's default font size for the document, which is usually 16px. I think that should make it clear how ems work.

Also question is, what is the use of EM tag?

The <em> tag is a phrase tag. The <em> tag is used to add emphasis to a word or a phrase. The emphasized text is rendered in italics in most browsers. The <em> tag comes in pairs. The content must be written between opening ( <em> ) and closing (</em> ) tags.

What is the EM?

The Electromagnetic Spectrum. The electromagnetic (EM) spectrum is the range of all types of EM radiation. The other types of EM radiation that make up the electromagnetic spectrum are microwaves, infrared light, ultraviolet light, X-rays and gamma-rays.

What is the meaning of emphasized text?

In typography, emphasis is the strengthening of words in a text with a font in a different style from the rest of the text, to highlight them. It is the equivalent of prosodic stress in speech.
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