What does em stand for?
EM. abbreviation. Definition of EM (Entry 2 of 3) 1 electromagnetic. 2 electron microscope; electron microscopy.
What Is REM and EM in CSS?
rem : a CSS unit which is relative to the font size of the html element. em : a CSS unit which is relative to the font size of the parent element.
What is EM size?
An em is a unit in the field of typography, equal to the currently specified point size. For example, one em in a 16-point typeface is 16 points. Therefore, this unit is the same for all typefaces at a given point size.
How do I set em size in CSS?
The size of an em value is dynamic. When defining the font-size property, an em is equal to the font size of the element on which the em is used. If you haven’t set the font size anywhere on the page, then it is the browser default, which is often 16px. So, by default 1em = 16px, and 2em = 32px.
Whats does AM and PM mean?
From the Latin words meridies (midday), ante (before) and post (after), the term ante meridiem (a.m.) means before midday and post meridiem (p.m.) means after midday.
What is EM slang?
EM — Excuse Me. EM — Them. EM — E-Mail.
Should I use em or REM?
Use em units for sizing that should scale depending on the font size of an element other than the root. Use rem units for sizing that doesn’t need em units, and that should scale depending on browser font size settings. Use rem units unless you’re sure you need em units, including on font sizes.
What does REM do in CSS?
Many web designers and developers are familiar with the CSS rem length unit. … For readers unfamiliar with the rem unit (standing for “root em”), it provides a way to specify lengths as fractions of the root element’s font size. In practical terms, this almost always means the font size of the <html> element.
What Is REM size in CSS?
rem values are relative to the root html element, not to the parent element. That is, If font-size of the root element is 16px then 1 rem = 16px for all elements. If font-size is not explicitly defined in root element then 1rem will be equal to the default font-size provided by the browser (usually 16px).
How many pixels is an em?
Conversions based on your body font sizePixelsEMsPercent13px0.813em81.3%14px0.875em87.5%15px0.938em93.8%16px1.000em100.0%Ещё 15 строк
What is height 100vh?
height: 100vh = 100% of the viewport height. height: 100% = 100% of the parent’s element height. That is why you need to add height: 100% on html and body , as they don’t have a size by default.
What is strong in HTML?
The HTML Strong Importance Element ( <strong> ) indicates that its contents have strong importance, seriousness, or urgency. Browsers typically render the contents in bold type.