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This article is reprinted content, source address: http://www.ofcss.com/2011/05/26/css-cascade-specificity.htmlRead the "re-understanding of the weight of CSS" This article, at the end of the article gives a convenient sequence of memory:"important > Inline > ID > class > tags | Pseudo Class | Property selection > Pseudo-object > Wildcard > Inherit .So how does this order come out? In fact, in the definitio
starting to grow larger, and now a CSS pixel overlays multiple device pixels.The point here is that you are only interested in CSS pixels. These are the pixels that control how your style sheet is rendered.Device pixels are basically useless to you (the translator: referring to the developer). But the user will zoom in or out of the page until he can read it com
Reading Notes CSS authoritative guide,
The main purpose of this book:
Since I learned CSS, I have mastered its usage methods and skills, but I am not clear about its underlying principles and implementations. I want to learn more systematically and deeply about its nature, from skilled use to true understanding of the front-end BASIC language.
Chapter 4
not support style will ignore the style, and the subsequent declaration is annotated. CSS Comments:/* */Do not support nesting
inline style (inline style): not recommended
Chapter II SelectorEach style sheet is mad
First chapter CSS and documentation1. Replace elements with non-replacement elements, replace elements such as IMG input, and most HTML elements are non-replacement elements.2. Block-level elements and inline elements?, block-level elements automatically fill the content box of the parent element, the table is consistent with other block-level elements, and the only difference is that the table generates a marker, which is a small black dot. Block-lev
properties for List-style are as follows:List-style:disc outside NoneNote that if a picture is defined in the List-tyle, the picture will have a higher priority than list-style-type, such as:List-style:circle inside URL (.. /img.gif)In this example, if Img.gif is present, the circle symbol set previously is not displayed.PS: Actually list-style-type has many kin
properties for List-style are as follows:List-style:disc outside NoneNote that if a picture is defined in the List-tyle, the picture will have a higher priority than list-style-type, such as:List-style:circle inside URL (.. /img.gif)In this example, if Img.gif is present, the circle symbol set previously is not displayed.PS: Actually list-style-type has many kin
look at how to sort by weight and source, based on the weights summarized in the CSS authoritative Guide (third edition P79):1.+ the style of the author +>+ The style of the reader +>+ the default style of the user agent2.+ tag for reader
This article describes how to write a flexible, stable, and high-quality guide to HTML and css code standards. You can refer to the following for more information.
Golden LawAlways follow the same encoding specification. No matter how many people participate in the same project, make sure that each line of code is written by the same person.
I. Syntax:1. Use two spaces to replace tabs );2. The nested eleme
If you are a prospective Web Front-end worker, you will certainly benefit from this book, because it is specially designed for you.The Content System in the authoritative guide to HTML 5 and CSS 3 provides a detailed explanation of all the new features and features of HTML 5 and CSS 3, all knowledge points keep up with the latest developments in HTML 5 and
, this time they are through the interface provided by the browser for the site to add reader style.After the introduction of the source, let's take a look at how to sort by weight and source, based on the weights summarized in the CSS authoritative Guide (third edition P79):
Author's style > Reader's style > Def
[Reading Notes] CSS authoritative guide 2: Structure and cascade-cannon ~ One of the most basic aspects of a stacked style sheet is stack-the conflicting statement should be sorted through this stack process, and the final document representation should be determined accordingly. The core of this process is the particularity of the selector and its related declar
As a result, the well-structured code optimizes its maintainability to a great extent. The following is a list of four techniques for improving the maintainability of CSS files as a guide to Web front-end development with a good CSS style organization habit.
First, CSS
In most articles, we do not pay special attention to the maintenance and readability of CSS files. After a front-end job is completed, many people will forget the structure and details of the project. However, the Code is not completely finalized immediately, and there will be continuous maintenance work for the rest of the time, and these work may not be done by yourself. Therefore, code with excellent structure can greatly optimize its maintainabili
Therefore, the good structure of the code to a large extent to optimize its maintainability. The following is a list of four tips for improving the maintainability of CSS files as a guide for Web front-end development with a good CSS style organization.
one, CSS
other style, including the creator style with the!important logo. Both the author style and the reader style are stronger than the default styles for user agents.
Reader's!important style
Creator's!important style
The content comes from HTML dog.The format of CSS is 'property:value'There are three ways to insert CSS styles into HTML: inline, internal CSS, external CSS files, as follows:style= "color:red">textp>DOCTYPE HTML>HTML>Head>title>CSS Exampletitle>
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