Css Px Em

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Differences between units px and EM in CSS

px pixel (pixel) relative length units are relative to the screen resolution of the display (from the CSS Tutorial 2.0 manual).   The EM relative length unit is relative to the font size of the text within the current object, such as the font size of the current text in the row is not set artificially, relative to the browser's default font size (quoted in the css2.0 manual). The default font height for any browser is 16px. All unadjusted browsers are compliant: 1EM=16PX. So 12px=0.75em, 10px=0.625em. ...

CSS Web page making tutorial: Font Unit EM Introduction

Just learn Web page production, the teacher once told me to use CSS to enforce the definition of font size, or to ensure that everyone see consistent effect. This is particularly evident in the current Chinese site. including NetEase, Sohu, including most of these portal sites, with the absolute unit px (pixel). However, if you consider the usability of the site, the font size should be variable, some people who do not have good eyesight need to enlarge the font to see the content of the page. However, ie, which occupies most of the browser market, cannot adjust the size of the font that uses PX as the unit. Foreign people are very ...

Phpchina stage 3rd: CSS Basic Technology Tutorial notes

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host Technology Hall Phpchina 3rd: CSS Basic technology explanation document download: CSS Basic Technology explanation article CSS syntax: Right center left P left H1 two, CSS Font property font ar ...

CSS Tutorial: Web page font and font size design

Font Size The CSS2 specification defines a font based on length-horizontal and vertical dimensions. This length is a numeric value and may be preceded with an optional plus (+) or minus (-) marker.   In addition, the value may have an optional unit identifier. In addition, the CSS2 specification defines two unit types: absolute units and relative units. The absolute value specifies the unit, and the relative unit specifies a value that is proportional to another value. The following list lists the relative unit identifiers: em: The height of the element font. It is calculated with the font size property of the element that uses the font ...

An effective method of CSS layout debugging in Web design

CSS layout is a very important part of web design, here are some effective ways to check the layout of CSS. 1. Check the HTML elements for spelling errors, forgetting to end tags even veteran also often mistook div nesting relationships.   You can use the Dreamweaver verification function to check for errors. 2. Check whether the CSS is written correctly to check if there are any spelling errors, forget the end of the} and so on. You can use CLEANCSS to check your CSS for spelling errors. Cleancss ...

CSS Font Design Essentials analysis

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall at first listen to CSS font settings very easy, actually do it otherwise, our engineers use the full force, They adjust the size of the font in different browsers to know the appropriate results.   In fact, a little deeper understanding can play a big role. Font Property: Font ...

CSS Tutorial: Inheritance of Line-height properties

<style type= "Text/css" > P {line-height:17px;} </style> <div class= "Mdse-detail" > <p> &nbs. ..

Mobile development Those things

To tell you the truth, we developed the mobile end of the project, the entire team of people are the first time, the initial project for the choice of native app and web app also debated, and finally comprehensive consideration, we chose the web (we chose the H5) development. But from the characteristics of these two development models, from the date of their birth began the constant debate, which is good or bad, this article does not discuss, but simply listed under my development problems and the final solution. 1. Responsive Web Design Speaking of this, mobile development facing the screen size that is called a abundant ...

A List Apart Classic article: Web design Path (next)

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest Cloud host Technology Hall This is a List Apart classic technical essay A Dao of Web design The second part, based on the first part, describes how to achieve flexible, adaptable Web design in terms of font, font size, layout, and color matching. Finally, the author points out that ...

Let's talk about how to choose the font and font size when making a Web page

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest Cloud host Technology Hall website The choice of font and font size directly affects the overall visual effect of the website. To some extent, it will also play a role in the optimization of the site, such as large fonts and bold words on the Web page to show more eye-catching, with the enhancement of some information display effect, and search engines will also capture the size of these fonts, more ...

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