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The actual, physical height of any given portion of the font depends on the user-defined DPI setting, current element font-size, and the particular font being used. To make style rules that depend only on the default font size, another unit was developed: the rem. The rem «rem unit», or root-em, is the font size of the root element of the ...
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Style may be chosen specifically for a piece of content, see e.g., color; scope of parameters Alternatively, style is specified for CSS selectors, expressed in terms of elements, classes, and ID's.
A superset of CSS 1, CSS 2 includes a number of new capabilities like absolute, relative, and fixed positioning of elements and z-index, the concept of media types, support for aural style sheets (which were later replaced by the CSS 3 speech modules) [47] and bidirectional text, and new font properties such as shadows.
Does not replace numbers in manually entered conversions, but does replace unit names with abbreviations (examples intentionally show incorrect conversions): |weight=108 kilograms (229 pounds) → 108 kg (229 lb) |weight=238 pounds (119 kilograms) → 238 lb (119 kg) |weight=17 stone (229 pounds; 119 kilograms) → 17 st (229 lb; 119 kg)
The measure is the number of characters per line in a column of text. Using CSS to set the width of a box to 66ch fixes the measure to about 66 characters per line regardless of the text size as the ch unit is defined as the width of the glyph 0 (zero, the Unicode character U+0030) in the element's font. [10]
The original is a unit of energy, equal to the energy in one mole (1 mol) of photons. The second is a unit of amount of photons, equal to one mole (1 mol) of photons. The rayleigh (R) is a unit of photon flux rate density equal to 10 10 m −2 ⋅s −1 (10 4 mm −2 ⋅s −1).
The specific weight, also known as the unit weight (symbol γ, the Greek letter gamma), is a volume-specific quantity defined as the weight W divided by the volume V of a material: = / Equivalently, it may also be formulated as the product of density, ρ, and gravity acceleration, g: = Its unit of measurement in the International System of Units (SI) is newton per cubic metre (N/m 3), with ...