Font Size The CSS2 specification defines a font based on length-horizontal and vertical dimensions. This length is a numeric value and may be preceded with an optional plus (+) or minus (-) marker. In addition, the value may have an optional unit identifier. In addition, the CSS2 specification defines two unit types: absolute units and relative units. The absolute value specifies the unit, and the relative unit specifies a value that is proportional to another value. The following list lists the relative unit identifiers: em: The height of the element font. It is calculated with the font size property of the element that uses the font ...
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 ...
Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnosis Taobao guest Cloud host technology Hall CSS3 has been released, many Web front-end engineers are beginning to try to use the technology. How do we evaluate the ability to write CSS? We may use the words "good", "general" and "very bad" to describe it. What is the hardest thing about CSS? is the compatibility of the major browsers?
This section mainly explains, two content, first: CSS How to control the page style, there are several ways; second: The priority of these approaches when they appear on the same page. Using the XHTML+CSS layout page, there is a very important feature is the content and the appearance of separation, content refers to HTML page code, image is CSS code, if the page as a person wearing clothes, people are HTML, is content, and clothing is CSS, is the appearance, now the problem is , how to let CSS to control the page? Or, how to put clothes on people, good ...
This section mainly explains, two content, first: CSS How to control the page style, there are several ways; second: The priority of these approaches when they appear on the same page. Using the XHTML+CSS layout page, there is a very important feature is the content and the appearance of separation, content refers to HTML page code, image is CSS code, if the page as a person wearing clothes, people are HTML, is content, and clothing is CSS, is the appearance, now the problem is ...
This is a UI template specification, B / S version of the application is more applicable, in fact, such a thing is not what the formal norms, just to adapt to the development environment we are now facing and organizational processes to make some expeditious efforts , And to solve some problems with the program communication and interface, try to avoid misunderstanding and friction. First, the applicable environment and object Second, the necessity Third, the technical principles Fourth, the code writing norms Fifth, the page template specification First, the applicable environment and objects This specification applies to browser-based B / S version of the software project development. Template development process template page writing and template files apply ...
For large portals, mass information platform and multiple modules, multi-regional web site, more need for the standardization of Css,xhtml, the semantic HTML framework, the reuse of strong CSS code, these can protect your site, with a good "foundation." Part I: About building the CSS framework we want to achieve: 1. To achieve standardization, with the mainstream platform adaptability front-end implementation; 2. Rapid development, in the site style is determined, the front-end should not become the bottleneck in the whole project; 3. Refactoring requirements, as much as possible to make class and block styles reusable; 4. Separate ...
Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest Cloud host Technology Hall This picture of this title is made with Phosotshop. However, in search engines you can not search it, the search engine is not strong enough to recognize the text inside the picture. And because the size of the picture is not too small, may slow Internet users in the browsing time ...
Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall in the last article, I mentioned some ways to modify Web site templates, tools. But it also involves less than the CSS style sheet of some knowledge, for this knowledge, the lack of still accounted for the majority, today I will be used to some of the CSS style sheet grammar, issued to everyone, hope to you webmaster friends ...
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