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PT is an absolute unit, 1 PT =1/72 inch One is the equipment coordinates, one is the logical coordinates, the two are different. PX is a relative unit, and the general pixel reference value is: On a monitor with a pixel density of PDI, the normal person should see a pixel from 28 inches from the monitor should be no less than 0.0227 degrees. 1 PX definition does not change after setting to a large font; P

In an XML layout file, we can set either PX or a DP (or dip). In general, we would choose to use a DP, which would ensure a consistent layout on a machine with different screen resolutions. But in the code, how do you handle it? Many control methods provide only methods for setting PX, such as setpadding, and do not provide a way to set up a DP. At this point, if you need to set up a DP, you will convert th

Now Universal mobile development is using REM for development, but using REM development has a pain, that is, when you write CSS, you need to transform the PX into REM, so today we introduce a SUBLIMETEXT3 automatic conversion of PX to REM plug-in-cssrem.The first plug-in effect chart: This can be relieved by the PX write, and then a return to convert into REM

px Pixels (Pixel). Relative length units. Pixel px is relative to the screen resolution of the Monitor. EM is the relative length unit. The font size relative to the text within the current object. If the font size of the current text in the row is not set artificially, it is relative to the browser's default font size. The default font height for any browser is 16px. All the unadjusted browsers are compl

1.CSS Processor Processors such as Sass, less, and postcss can be processed. @function Px2rem ($px, $base-font-size:75px) {@return ($px/$base-font-size) * 1REM;} 2.CSSREM This is a plug-in is Flashlizi for sublime text written a plug-in, it is really convenient to use. We can see it on GitHub. Let me explain how to configure: 2.1 We can download the dependent files on GitHub , 2.2 Open Sublime text, enter

One of the most confusing aspects of CSS styling is the Font-size property of the text extension in your application. In CSS, you can display the size of text in a Web browser in four different units of measure. Which of the four units is best for the Web? The problem aroused a wide controversy. It is difficult to find a definite answer, because it is so difficult to answer on its own.Contact these units1. "Ems" (EM): "em" is a scalable unit for Web document Media presentation. An em equals the

The length unit mainly has the following kinds of EM ex ch REM VW VH vm cm mm in pt pc px%, presumably can be divided into several "absolute units" and "relative units" and "percent units". Absolute unit: px in cm mm Relative unit: EM rem pt PC EX CH Percent unit: VW VH VM% The following mainly say a few commonly used units

1: Nonsense not much to say, look directly like the table:2:PX does not introduce too much, is the size of the pixel, add your screen resolution of 1920, then each of the equivalent of each has a transverse 1920 pixels;3:em is a relative unit, generally defined in the body of the font-size as the benchmark, the default value of 1em = 16px, if we want to use "1em" = "10px" to replace the default value "1em" = "16px", should write the following code:Bod

ViewportViewport: The visual window, which is the browser.VW viewport width, 1vw equals viewport width of 1%VH viewport height, 1VH equals viewport high of 1%CSS3 using CalcCalc () uses common mathematical rules, but it also provides more intelligent functionality:> Use "+", "-", "*" and "/" arithmetic;> can use percentages, px, EM, REM and other units;> can be mixed with various units for calculation;> Expressions with "+" and "-" must have a space b

Fonts are often used in CSS for webpage design. The unit of font size is commonly used in two types: Px AND Pt. What are the differences between the two? First, find out the basic concept: Px represents pixel, pixels, and is the most basic point for displaying data on the screen; Pt is the point, which is a common unit in the printing industry and equals to 1/72 inch. It is clear that

html px em pt length unit (pixel relative length point) knowledge ChapterHTML PX EM pt unit area (music mattress)DirectoryRecognize 3 unitsHTML Unit Case ComparisonUnit conversionsEM Unit IntroductionRecommended units px (pixels)About PX PT EM Summary UnitFirst, px\em\pt uni

Font size of the set units, commonly used in 2 kinds: px, pt. What is the difference between the two?First understand the basic concept: PX is to represent pixel, pixels, is the most basic point of display data on the screen;PT is point, a common unit in the printing industry, equal to 1/72 inches.This is clear, PX is a point, it is not the length of the natural

HTML PX EM pt unit AreaFirst, PX\EM\PT unit introductionpx unit name is pixel , relative length unit, pixel (px) is a domestic recommendation relative to the display screen resolution;The EM unit name is the relative length unit . Compared with the text in the current object font size, foreign use more;The PT unit name is Point, and the absolute length unit is ge

px\em\pt Unit IntroductionPX Pixel unit name is pixel, relative length unit, pixel (px) is a domestic recommendation relative to the display screen resolution;The EM unit name is the relative length unit. Compared to the font size of the text within the current object, foreign use more, here em and HTML The PT unit name is point, and the absolute length unit is generally the old version of table using the l

First, find out the basic concept: Px represents pixel, pixels, and is the most basic point for displaying data on the screen; Pt is the point, which is a common unit in the printing industry and equals to 1/72 inch. It is clear that PX is a point, which is not a unit of natural length. Who can tell how long a "point" is? It can be very small or large. If the point is very small, the image will be clear. We

First, find out the basic concept: Px represents pixel, pixels, and is the most basic point for displaying data on the screen; Pt is the point, which is a common unit in the printing industry and equals to 1/72 inch. It is clear that PX is a point, which is not a unit of natural length. Who can tell how long a "point" is? It can be very small or large. If the point is very small, the image will be clear.

Concept Introduction:1, px (pixel, pixels ) : is a virtual length unit, is the digital image length unit of the computer system, if PX to be converted to physical length, you need to specify the accuracy dpi (Dots per inch, pixels per inch), When scanning printing generally have dpi optional. Windows system By default is 96dpi,apple system default is 72dpi.2, em ( relative length units, relative to the font

Px, em, csspxem in CSS What is elastic layout? User text size and elastic Layout The default rendering text size of your browser is "16px". In other words, the text size of the "body" in the Web page is "16px" by default in your browser ". Of course, if you want to change the font size, you can use the UI control to change the default font size of the browser. Elastic design has a key point where all elements on the Web page use the "em" unit va

I am always asked about the differences between PX, PT, and Em. Sometimes I will also find out what units I should use. I have checked some articles specially today. Although this article is a long time ago, however, the explanation is comprehensive. Click to view Original Text Here we reference jorux's article "CSS needs to be rewritten for 95% of Chinese websites". The question is a bit scary, but it is indeed a defect in the production of domestic

remis a newly added unit value in CSS3, which, em like the unit, is a relative unit. The difference is that it is calculated relative to the parent element of the element, relative to the em font-size rem root element html font-size . This rem makes it possible to bypass complex hierarchical relationships and implement a em unit-like function.Use of REMIt says that the em font size is set relative to its parent element, so there is a problem with any element setting, and it may be necessary to