Web定义和用法. initial 关键字用于将 CSS 属性设置为其默认值。. initial 关键字可用于任何 CSS 属性和任何 HTML 元素。. 版本:. CSS3. JavaScript 语法:. object .property="initial". WebMay 6, 2016 · 前面的话. 在CSS中,有4个关键字理论上可以应用于任何的CSS属性,它们是initial (初始)、inherit (继承)、unset (未设置)、revert (还原)。. 而all的取值只能是以上这4个关键字。. 本文将介绍initial、inherit、unset、revert和all.
CSS initial 关键字_w3cschool
WebFeb 20, 2024 · Color contrast ratio is determined by comparing the luminance of the text and background color values. In order to meet current Web Content Accessibility Guidelines (WCAG), a ratio of 4.5:1 is required for text content and 3:1 for larger text such as headings. Large text is defined as 18.66px and bold or larger, or 24px or larger. WebFeb 23, 2024 · When creating web designs for large enterprises (eg governments, non-tech companies) a common issue is that our designs need to support Internet Explorer (IE) - at least IE11. To fix CSS issues in IE11, we can use the following checklist to troubleshoot: Make sure that the HTML and CSS is valid - using W3C validator; Check that the CSS … imx arryn
Initial value - CSS: Cascading Style Sheets MDN
WebMay 29, 2015 · First off, the spec helps us understand the difference between an initial keyword and an initial value. Initial keyword: If the cascaded value of a property is the initial keyword, the property’s initial value becomes its specified value. Initial value: Each property has an initial value, defined in the property’s definition table. WebSep 25, 2024 · 了解 CSS 样式的 initial(默认)和inherit(继承)以及 unset是熟练使用 CSS 的关键。(当然由于 revert 未列入规范,本文暂且不过多提及。) initial. initial 关键字用于设置 CSS 属性为它的默认值,可作用于任何 CSS 样式。(IE 不支持该关键字) inherit WebApr 7, 2024 · Internet Explorerが表示するバージョンを指定するためのマイクロソフト独自の拡張機能であり、 この要素に”IE=edge”という値が指定されている場合、 IEの最新バージョンでページを表示するよう指示します。 互換性モードとは、 古いバージョン … imx8 tcm