… will ignore declarations with the keyword fixed For example: body { /* For all UAs: */ background: white url(paper.png) scroll; /* For UAs that do fixed backgrounds: */ background: white url(ledger.png) fixed; h1 { /* For all UAs: */ background: silver; /* For UAs that do fixed …

…ipsis should select the ellipsed text. If all of the ellipsed text is selected, UAs should show selection of the ellipsis. Behavior of partially-selected ellipsed text is up to the UA. text-overflow examples These examples demonstrate setting the text-overflow of a block containe…

…t apart from other normative text with <strong class="advisement"> , like this: UAs MUST provide an accessible alternative. Tests Tests relating to the content of this specification may be documented in “Tests” blocks like this one. Any such block is non-normative. Conformance cl…

…t apart from other normative text with <strong class="advisement"> , like this: UAs MUST provide an accessible alternative. Tests Tests relating to the content of this specification may be documented in “Tests” blocks like this one. Any such block is non-normative. Conformance cl…

…efined below, and applies overridable default styles that are consistent across UAs. When a control is in that state, the user agent applies styles from the Appendix A: Basic Appearance User Agent Stylesheet to that control. The user agent must also enable the pseudo-elements def…

…ry [CLDR] maintains information on typographically appropriate quotation marks. UAs can use other sources of information as well, particularly as typographic preferences can vary; however it is encouraged to submit any improvements to Unicode so that the entire software ecosystem…

…t apart from other normative text with <strong class="advisement"> , like this: UAs MUST provide an accessible alternative. Conformance classes Conformance to this specification is defined for three conformance classes: style sheet CSS style sheet renderer UA that interprets the …

…resents text identified by the user agent’s find-in-page feature. Since not all UAs style matched text in ways expressible with the highlight pseudo-elements this pseudo-element is optional to implement. The :current pseudo-class (but not ::current() may be combined with ::search…

…resents text identified by the user agent’s find-in-page feature. Since not all UAs style matched text in ways expressible with the highlight pseudo-elements this pseudo-element is optional to implement. The :current pseudo-class (but not ::current() may be combined with ::search…

…resents text identified by the user agent’s find-in-page feature. Since not all UAs style matched text in ways expressible with the highlight pseudo-elements this pseudo-element is optional to implement. The :current pseudo-class (but not ::current() may be combined with ::search…

… this feature on the Web must be done with care as it can prevent accessibility tools from accessing the element’s semantics. This value computes to display: none on replaced elements and other elements whose rendering is not entirely controlled by CSS; see Appendix B: Effects of…

… this feature on the Web must be done with care as it can prevent accessibility tools from accessing the element’s semantics. This value computes to display: none on replaced elements and other elements whose rendering is not entirely controlled by CSS; see Appendix B: Effects of…

… this feature on the Web must be done with care as it can prevent accessibility tools from accessing the element’s semantics. This value computes to display: none on replaced elements and other elements whose rendering is not entirely controlled by CSS; see Appendix B: Effects of…

…pecified value Canonical order: n/a Animation type: not animatable Because HTML UAs can turn off CSS styling, we recommend HTML authors to use the HTML dir attribute and <bdo> element to ensure correct bidirectional layout in the absence of a style sheet. Authors should not use d…

…t apart from other normative text with <strong class="advisement"> , like this: UAs MUST provide an accessible alternative. Tests Tests relating to the content of this specification may be documented in “Tests” blocks like this one. Any such block is non-normative. Conformance cl…