css inherit class

Instancea: Link {color:#FF0000;} / * non-visited links * / a:visited {color: #00FF00 Span class= "hl-reserved" >;} /* visited link */ a:hover {color: #FF00FF ;} /* mouse over link */ a:active {color: #0000FF ;} /* selected links */ Note: in CSS definitions, a:hover must be placed after A:link and a:visited to be valid.Note: in the

[Document of the fire School of website construction] Today, a friend asked CSS questions in the group. When talking about the difference between Class and ID, I suggested Baidu. Then he checked a lot of articles, I still don't quite understand it, so I had to give it a one-by-one analysis.Class is the class for setting labels.Id is the identifier of the tag.The

"alt=" Wkiol1byc6siedymaacophzrvrc869.png "/>Four, pseudo-element selectorPseudo-element: First-letter-: First-letter selector to select the first letter of the specified selector-often used for typesetting details such as initials highlighting, sinking, etc.650) this.width=650; "src=" Http://s2.51cto.com/wyfs02/M01/7D/E2/wKiom1byC32ysFjHAACGOSu3dec073.png "title=" Web.png "alt=" Wkiom1byc32ysfjhaacgosu3dec073.png "/>Pseudo-element: First-line-: First-line selector for selecting the first row o

ID is different, it must be worn out. The principle I have summed up through practice is that IDs need to be unique and used as much as possible on the periphery. Class is repeatable and is used within the structure as much as possible. The benefit of this is that it helps to maintain and modify the site code later, so that all classes become children of IDs or grandchildren. You can have two sons, but you can have two dads, that's the truth. When we

Source: http://www.css88.com/archives/744-------------------------------------------------------------------------------------------------IE6 under the link pseudo-class (: hover) CSS background image has a flashing bug, the main reason IE will once again request this picture, or that the picture is not cached.For example:CSS Code a:hover{background:URL (imagepath)} Common solutions:Add the f

Focus on the use of After and before:How to becomeThe above directory structure is generated by jstree, we know that there is no tag behind, how to generate it?Very simple, only CSS style can be done: tag element + pseudo-class aftera.task-pack:after{//My style name is this, you can write your own style nameContent: ' Packaged ';Display:inline-block;min-width:10px;PADDING:3PX 7px;margin-left:2px;font-size:1

In the CSS beginner's tutorial we only consider HTML selectors--appearing as HTML tags.You can, of course, define your own selectors with the class selector class and the identity selector ID.The advantage of doing this is that depending on the class or ID, you can perform the same HTML element differently.In

Recognize the class and id selector of CSSIn the CSS Elementary tutorial, we only consider the HTML selector-in the form of HTML tags. Of course, you can use the class selector and the identifier selector id to define your own selector. The benefit of doing so is that depending on the class or id, you can behave the sa

css| Tutorials | Getting started This is the first day of the last half month, around 20:00 to work, thinking about this tutorial has not been completed, the feeling is very not practical. Just resigned two months ago, would like to complete the tutorial, but due to a misfortune, resulting in the hard disk of the majority of the data lost, the half of the tutorial has been written in the Ashes. But recently a lot of netizens through the blog, QQ, MSN,

css| Tutorial | style sheet classIn order to define the Web page format more accurately, it is necessary to make the same selectors can be categorized, and can be different categories for different style design. The basic format is as follows: Selector. Category name {property: value} A category name can be referenced in an character of an HTML ID: Instance: 　　 ID ID, which is to send an "id" to the style in HTML text, to ensure that it has

Pseudo-category-dynamic linkPseudo-classes can be seen as a special class selector, which is a special Selector automatically recognized by browsers that support CSS. Its biggest use is to define different style effects for links in different states.1. SyntaxThe pseudo-class syntax adds a pseudo class to the original s

CSS3 Target pseudo-class has to say those things (plain CSS implements tab switching)Do you think target looks familiar?!This is not the HTML The target pseudo-class is a new property of CSS3.When it comes to pseudo-classes, the CSS properties are sure to know: hover,: Link,: Visited,: Focus, etc., target usage is expa