Html Class Selector

The priority of CSS rules is a concept that Web front-end developers must understand, and there are 4 ways to add styles in common use. Inline style embeded style external style user style inline style is ugly, and they travel in HTML documents, twisting into a group of HTML elements, causing a lot of trouble for Web front-end developers. They often appear in such a way: <p style= "Col ...

If the same element has two or more conflicting CSS rules, the browser has some basic rules to decide which one is very special and wins. 　　It may not be as important as others, and most cases you don't need to worry about conflict, but large and complex CSS files, or a lot of CSS files, can create conflicts. In the case of a selector, the previous attribute will be overwritten. 　　For example: p {color:red;} p {Color:blue} The elements of the P element will be blue ...

CSS browser compatibility is sometimes a headache, perhaps when you understand the skills and principles, you will find it is not difficult, from the online collection of ie7,6 and FIREOFX compatibility processing methods and collated. For web2.0 excesses, try to write code in XHTML format,  and doctype affect CSS processing, as the standard of the consortium, must add DOCTYPE reputation. CSS Tips 1.div Vertical center problem vertical-align:middle ...

Now many people will use the css&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; framework for rapid construction station." What is the CSS framework, typically a collection of CSS files that include basic layouts, form styles, grids, simple components, and styling resets. Use the CSS framework to significantly reduce the cost of work to build the station quickly. Of course for some ...

We often use "neat", "easy to read", "cordial", "easy to maintain", "forte" to describe some good developers write code. Now, there is a more fashionable word for the code "elegant", does it sound like a very cordial? The page is the performance level of the Internet product, not only emphasizes the appearance, but also should respond to the update fast Internet product demand. To be a good developer, experience accumulation is essential, and part of the experience is summed up in the details of the work process. Described below is the details of the various aspects of the page development process, ...

The intermediary transaction SEO diagnoses Taobao guest cloud host technology Hall "Editor's note" This article author @edwardup we often use "neat", "easy to read", "cordial", "easy to maintain", "forte", etc. to describe some good developers write code. 　　Now, there is a more fashionable word for the code "elegant", does it sound like a very cordial? The page is the performance level of the Internet product, not only emphasizes the appearance, but also should respond to the update fast Internet product demand. Want to ...

The intermediary transaction SEO diagnoses Taobao guest cloud host technology Hall from the plan, to the front and rear end of the development, finally to the test and on-line, lasted 4 months, 5,173 first page front-end performance optimization project finally smoothly on-line, and achieved the expected performance optimization goal. This project is not a revision, but the original home page design and function unchanged, only to do refactoring and optimization. 　　Although the project is called the front-end performance optimization, but it is not only the front-end unilateral work, to complete the optimization well, it requires the full complement of the front and back. Historical background ...

One of the most bizarre statistics about browsers is that internet Explorer version 6,7 and 8 coexist. As of this article, Internet Explorer releases a total of about 65% of the market share. In the website development community, this number is much smaller, the statistics show about 40%. The interesting part of these statistics is that the values between IE6, IE7, and IE8 are very close, which prevents a single Microsoft browser from dominating--contrary to what it used to be. According to these regrettable ...

Intermediary transaction SEO diagnosis Taobao guest Cloud host Technology Hall today we'll take a look at how to create a useful and powerful form that is created using the most popular technology HTML5 and CSS3 today, and can be validated by HTML5. View preview The first step: Planning the form function first, we have to plan for our form what function, in what form performance. In this example, we make a simpler message form. The required functions are as follows: Name ...

The intermediary transaction SEO diagnoses Taobao guest cloud host technology Hall first step: first put all the marks organising inside and outside organising 0, in fact, there is another way is based on the body inside the HTML tag used to reset to 0. You can also reset to 0 with * and then reset it based on the tag used in the body. : We use the body tag, div,p that our selector to write body,div,p on it. No need to write *. *{&n ...