h1 class css

Difference between SPAN and DIV The difference between SPAN and DIV is that division is a block-level element that can contain paragraphs, titles, tables, and even chapters, summaries, and remarks. While SPAN is an element in the row, it does not wrap the line before and after the SPAN. It has no structural meaning and is purely an application style. When other elements in the row are not appropriate, you can use SPAN. ------------------------------------------------------------Differences

Understanding the Pseudo class of CSS A pseudo class (Pseudo classes) is a bolt of a selector that specifies the state of a selector that is or is related to it. They are in the form of Selector:pseudo class {Property:value}, simply separating the selectors and pseudo classes with a half-width English colon (:). Many o

Body { margin:0; padding:0; background:#000 url (' images/backgrounds/star.png ') no-repeat fixed; Font: 12px sans-serif;}Here the body is the selector, where CSS attributes such as margin, padding, background, and font are applied to the BODY element,To use CSS to implement one-to-one, two-to-many or more-to-many controls on elements in an HTML page, you need a

This is an article about CSS hack, this article refers to the CSS hack is for class, id the attributes of the hack, the order of arrangement are required. Today to talk to you about class, id do CSS HACK. The code is as follows Copy Code . test

The 2d conversion of CSS is very powerful, it can realize more dynamic interaction between the elements of the page and the user without using JS, and enhance the user experience. One of the most used is the hover pseudo-class.1. Create a DIV element for a page:DOCTYPE HTML>HTML> Head> MetaCharSet= "Utf-8"> title>2d Conversion Testtitle> Head> Body> DivID= "FR">

Because now 99.99% of the CMS is to use DIV+CSS to build the Web page template, was forced helpless, a lot of age to learn CSS, to tell the truth did not feel the layout with div better than table where! But by force, first bite the bullet to see, can learn how much is how much. According to the principle of separating the data from the structure, CSS is better t

If you want to set CSS styles in HTML elements, you need to set the "id" and "class" selectors in the element. ID SelectorThe ID selector can specify a specific style for an HTML element that is labeled with a specific ID.The HTML element sets the ID selector with the id attribute, and the ID selector in the CSS is defined as "#".The following style rules a

CSS selector: both class and id can make the "single selector" have different styles.A1: What are the main differences between the two?Id. You can only define a single element. The page does not have any problems, but W3 detects that your page does not conform to the standard. class is a class, and the same

There are two types of Pseudo-classes: UI Pseudo-class and structured pseudo -classUI pseudo-class: a:link{} a:hover{} a:active{} a:visited{}Input[type= ' text ']:focus{} #title-one:target{}Structured pseudo-class: Table Tr:nth-child (even) {}//even sub-element labeled as even---Table Tr:nth-child (odd) {}//odd---subscript as an odd child elementTable tr:first-ch

CSS: hover pseudo class selection definition and usage, hover pseudoDefinition and usage of the pseudo-class selector E: hover: Sets the style of an element when it is hovering over it.The E element can be selected using other selectors, such as class selector, id selector, and type selector.Note: IE6 does not support

versions not supported : Root Point to the root element, which is the HTML element IE8 and earlier versions not supported three, common pseudo-elements Pseudo element Description Compatible :: First-line Select the first row of an element Mainstream browsers support :: First-letter Select the first letter of a text block Mainstream browsers support :: Before Insert