tag em html

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

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

Reprinted from: http://www.cnblogs.com/sopost/archive/2010/08/14/2190098.htmlConfiguring EM with EMCAEMCA is a command prompt that uses formats and methods to enter EMCA at a command prompt, EMCA use help appears on the screen.Command Help is as

This article is important to explain the difference between px,em,rem,pt and the conversion between the four.EM units have the following characteristics1. The value of EM is not fixed;2. Em inherits the font size of the parent element.When we write

The usual font units in CSS: The difference between px, EM, REM, and%CSS commonly used in font units: px, EM, REM and% of the difference in the first contact with CSS, px with more, but also very good understanding, but with a long time will find

Use HTML5 specifications to differentiate I, em, B, and strong elements. html5strong Preface Many new tags have been added for semantic HTML5. Among them, the tags I, em, B, and strong are the easiest to mix. If you have a hard time exploring them,

With the popularization of 3G, more and more people use mobile Internet. Mobile devices are exceeding desktop devices and becoming the most common endpoint for accessing the Internet. As a result, web designers have to face a dilemma: how can the

Common font units in CSS: differences between px, em, rem, and %, pxrem When I first came into contact with CSS, px was widely used and well understood. However, after a long time, I found some defects, especially in responsive development. So when

In the new contact with CSS, px with more, but also very good understanding, but with a long time will find some defects, especially in the response to develop the time.So when is it that so many units are suitable? Let's talk about it today.First

So when is it that so many units are suitable? Let's talk about it today.First of all, explain the meaning of these units:1, pxPX unit names are pixels and pixels are fixed-sized units for screen media (that is, read on a computer screen). A pixel