Thursday 02nd of July 2015 11:44:07 AM

CSS Style Guide

 

This Style Guide explains the markup and design requirements for web projects, along with various standards and best practices.

projects authored in valid XHTML 1.0 Transitional and styled with valid Cascading Style Sheets will be described here. See the XHTML and CSS sections below for details. Additional sections of this Style Guide, coming soon, will provide information on writing for the web, naming and filing your documents, and other useful topics and guidelines.

XHTML: Guidelines & Benefits

Library projects must be authored in structural XHTML 1.0 Transitional. Page authors should follow accessibility guidelines in compliance with U.S. Law, and so that our site’s content will be made available to the widest possible number of people, browsers, and Internet devices. In addition, all XHTML must validate.

XHTML Guidelines
The rules of XHTML as compared to HTML—an easy transition
What is XML?
A brief introduction to the foundation of XHTML
XHTML Benefits
Four key benefits of converting from HTML to XHTML
XHTML Authoring Tips & Tools
Simplifying the work process—includes tips on thinking structurally, and tools for hand-coders and Dreamweaver users
XHTML Accessibility Tips

Sometimes, of course, a pregenerated bullet just won't do. Instead, you feel the need to use an image for each bullet. In the past, the only way to achieve this sort of effect was to fake it. Now all you need is a list-style-image declaration.

is represented using dashed lines which are included for illustrativepurposes. These lines would not actually appear in a web browser.

margin can accept any length measure, whether inpixels, inches, millimeters, or ems. However, the default value formargin is effectively 0 (zero),which means that if you don't declare a value, then by default,there won't be a margin.

TIP

Negative margins have an impact on vertical formatting, affecting how margins are collapsed. If there are negative vertical margins, then the browser should take the absolute maximum of the negative margins and subtract that from the maximum of any positive margins.

In the case where there are only two margins to be collapsed, one positive and the other negative, the situation is handled in a fairly simple manner. The absolute value of the negative margin is

list-style-image

Yes, that's really all there is to it. One simple url value, and you're putting images in for

Making sure your pages can be read by all visitors, browsers, and devices
XHTML Validation
Ensuring interoperability by avoiding errors and sticking to standards

CSS: Style Sheets & Tips

Library projects must use valid Cascading Style Sheets (CSS) to control typography, color, and other layout elements. Style Sheets must be linked in a way that accommodates the capabilities of new and old browsers.

CSS Guidelines
Tips on authoring and linking to Style Sheets
Steal These Style Sheets!
Style Sheets for your use in Library projects
CSS Validation
Ensuring that your Style Sheets are error-free (same as XHTML validation)

A number of valid Style Sheets have been provided for your use. If you wish to create your own Style Sheets, please discuss your requirements with the Branch Library’s Web Coordinator.

link popularity
straightforward, and the complexities so minimal, that this will probably all come as a great relief. First we'll talk about font-style, and then move on to font-variant before wrapping up the font properties.