What Is Difference Between Class And Id 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 ...

Just getting started with a friend may ask, when I use the ID when using class, read the following maybe you should understand the difference between ID and class. Class is to set the label's classes ID is to set the label's identity class property to specify what style the element belongs to. .

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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 ...

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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 ...

CSS page layout will often appear a lot of IE and ff incompatibility problem, the following collation of some common possibilities and solutions! 1, with!important solution ie and Mozilla layout difference!important is the CSS1 definition of the syntax, the role is to improve the application of the specified style rules priority, the most important thing is: IE has not supported this syntax, and other browsers are supported. So we can use this to give IE and other browsers different style definitions, for example, we define this kind ...

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 statement. CSS Tips 1.div Vertical center problem vertical-align:middle; ...