Contents
Why is line-height Unitless?
Unitless line heights are recommended due to the fact that child elements will inherit the raw number value, rather than the computed value.
Does line-height need a unit?
You should always specify line-height as a unitless number (say this into the mirror five times). That way descendent elements that specify a different font size will inherit that number instead of a fixed line height.
What unit is used for line-height?
The “rem” unit of measurement we used with the line-height property sets a line height relative to the font-size of the root element. “rem” stands for “root element.” So, because our font size was 16px, our line height for this paragraph of text was 25.6px (16px * 1.6).
What is em CSS unit?
CSS. In Cascading Style Sheets, the em unit is the height of the font in nominal points or inches. To make style rules that depend only on the default font size, another unit was developed: the rem. The rem, or root em, is the font size of the root element of the document.
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).
What’s the difference between line height and Em?
Using just a number, as in line-height: 1.2, is primarily equivalent to using the em unit, as in line-height: 1.2em. But there is the difference that when line-height is inherited, it is the pure number that gets inherited, not the computed value.
Can you set line height in PX, EM’s?
line-height can be set in px, em ‘s, every unit will fit. line-height works best and future proof if you use a factor/multiplier, meaning no unit, but only a number that is multiplying your font-size. So, Yes, you can, to answer you question: no you should not. just go for the factor based line-height to be future proof.
How to set line height in CSS em’s?
line-height can be set in px, em ‘s, every unit will fit. line-height works best and future proof if you use a factor/multiplier, meaning no unit, but only a number that is multiplying your font-size..foo { font-size: 1.3em; /* based that 1em == 10px */ line-height: 1.3; /* 16.9px line-height */ }
Why is the rem unit short for root em?
This problem is the reason why the rem unit was created. The rem unit, short for root em is a relative unit that’ll always be based upon the font-size value of the root element, which is the element.