Id And Class Selector In Css

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 ...

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 ...

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 ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host Technology Hall today, we will post a basic tutorial on CSS layout 　　Mainly to explain the basics of CSS and CSS Basic grammar and some common necessary small knowledge points! Hope to help which webmaster and CSS layout Beginners! = = = Start = = CSS Basic Grammar CSS rules ...

CSS naming specification one. File naming conventions Global styles: GLOBAL.CSS; frame layout: layout.css; font style: font.css; link style: link.css; print style: Print.css; Common class ID naming specification Header: Header contents: Content Container: Container footer: Footer Copyright: Copyrights Navigation: Menu leading navigation: MainMenu ...

With so many years of CSS, now only understand the real CSS matching principle, do not know if you are the same as me? Looking at 1 simple css:div#divbox P span.red{color:red, as we understand this CSS, the browser first looks for the DIV element with ID Divbox, finds all the p elements below it, and then finds all the span elements, When a span is found to be red, the style is applied. How easy to understand the principle, but ...

Intermediary trading SEO diagnosis Taobao guest hosting technology hall using CSS + DIV on site refactoring has been increasingly valued by everyone, especially large sites, just this afternoon, IT168 home page on the choice of this approach. In fact, earlier such as Alibaba, 163 and other large portal site has already completed the reconstruction work. As early as last year, Robin had the habit of using CSS + DIV to write web page source code, and personally felt that this method was indeed much stronger than the traditional TABLE form source code architecture. Night Blog ...

10 little-known CSS usage tips 1.css font shorthand rules when you use CSS to define fonts you might do this: font-size:1em; Line-height:1.5em; Font-weight:bold; Font-style:italic; Font-variant:small-caps; Font-family:verdana,serif; In fact, you can abbreviate these attributes: font:1em/1.5 ...

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 ...

One, the UL label in Mozilla Default is to have padding value, and in IE only margin have value. The same class selector can appear repeatedly in one document, but only once for the ID selector. Using both class and ID for CSS definitions for a label, if the definition is duplicated, the ID selector is valid because the ID has a larger weight than class. 三、一个 compatibility adjustment (ie and Mozilla) stupid way: Beginners may encounter such a situation: the same label ...