HTML and CSS Reference
Also note that the UK government has recommended that, for accessibility, certain key
bindings should be predefined in UK Web sites. These suggested values are found in Table 3-3.
Page authors are also encouraged to consider styling or providing script-based schemes
to reveal accesskey bindings because they may not be obvious to users even when a
convention like the UK bindings is employed.
Many browsers define the align attribute on elements. Transitional versions of (X)HTML
do as well. This attribute generally takes a value of left , right , or center , which
determines how the element and its contents are positioned in a table or the window. The
value of left is usually the default. In some cases, a value of justify is also supported.
CSS properties like text-align and margin should be used instead of this attribute when
This proprietary Microsoft attribute, now part of the HTML5 specification, allows users to
directly edit content in a browser. Values are false , true , and inherit . A value of false
prevents content from being edited by users; true allows editing. The default value,
inherit , applies the value of the affected element's parent element. In addition to Internet
Explorer, all recent major browsers, such as Firefox 3+, Safari 3+, and Opera 9.5+, also
support this attribute.
Frequently Asked Questions (FAQ)
Terms and conditions
Access key details (information on these and other keys plus usage)
T ABLE 3-3 UK Government Suggested accesskey Bindings