通过:focus可以更改focusable元素(例如button)获得焦点时的样式。 See the Pen 018 Pseudo classes_04 by Pengfei Wang (@AhCola) on CodePen. 如果一个元素的子元素获得焦点,可以通过:focus-within更改该元素此时的样式。 See the Pen 018 Pseudo classes_05 by Pengfei Wang (@AhCola) on CodePen. 关于:...
到回头仔细阅览 SpectreCSS的描述,看到这样一句话。 You also need to addtabindexto make the buttons focusable. 究竟何为tabindex,当时并没有深究,只知道加上后确实点击有反应了。当然出问题后又仔细翻了翻这方面的内容,就不按照平时我喜欢的讲故事般的时间顺序整理,直接放上来。 这里有两个问题: 为什么要加tab...
outline 选择器::focus tabindex 是 无障碍键盘选择的属性设置: < 0:当一个元素设置tabindex属性值为-1的时候,元素会变得focusable,所谓focusable指的是元素可以被鼠标或者JS focus,在Chrome浏览器下表现为会有outline发光效果,IE浏览器下是虚框,同时能够响应focus事件。但是,却不能被键盘focus。 = 0:键盘也能f.....
(Gecko and WebKit pass the display: block test but fail the default style (display: contents) test.) The added tests display-contents-focusable-001.html and slot-element-focusable.tentative.html are partly fixed by this change, but the style part is still broken due to. Fixed: 1366037 Bug...
No support See implementation notes. Uses a non-standard name. Has more compatibility info. See also overflow-x,overflow-y overflow-block,overflow-clip-margin,overflow-inline clip,display,text-overflow,white-space CSS overflow Keyboard-only scrolling areason adrianroselli.com (2022) ...
CSS property: display: contents: Elements with `display: contents` are focusable Global usage 0% + 0% = 0% IE ❌ 6 - 10: Not supported ❌ 11: Not supported Edge ❌ 12 - 131: Not supported ❌ 132: Not supported Firefox ❌ 2 - 134: Not supported ❌ 135: Not supported ...
// Usage as a mixin .skip-navigation { .sr-only(); .sr-only-focusable(); } 图片替换 使用.text-hide 类或对应的 mixin 可以用来将元素的文本内容替换为一张背景图。 Copy Custom heading Copy // Usage as a mixin .heading { .text-hide(); }响应式工具 为了加快对移动设备友好的页面开发工作...
The tabindex attribute can be used to make an element focusable. The container element should also be focusable in order to receive the styling when focusing from just the container. Browser Compatibility Check: As of 2020, all modern browsers support focus-within, but check Can I Use for ...
Prior to eliminating the unsightly blue outline , it's important to consider accessibility. The blue outline is automatically added to focusable elements to assist users with accessibility concerns in focusing on the button by tabbing to it. Some users lack the dexterity to use a mouse and can...
// Usage as a mixin .skip-navigation { .sr-only(); .sr-only-focusable(); } Image replacement Utilize the .text-hide class or mixin to help replace an element's text content with a background image. Custom heading // Usage as a mixin .heading { .text-hide(); }Responsive utilities...