A CSS pseudo-class is a keyword added to a selector that lets you style a specific state of the selected element(s). For example, the pseudo-class :hover can be used to select a button when a user's pointer hovers over the button and this selected button
In this post, I am going to take you through creating a simple contact form using semantic HTML and an awesome CSS pseudo-class known as:focus-within. The:focus-withinpseudo-class allows for great control over focus and lets your users know this is exactly where they are in the experience...
MDN URL none What specific section or headline is this issue about? No response What information was incorrect, unhelpful, or incomplete? The CSS :open pseudo-class is going to be added to the HTML spec and will be shipped in chrome soon: https://drafts.csswg.org/selectors-4/#open-state...
As part of an initiative to reduce repo maintenance & code duplication, this PR moves some external examples into content. This PR converts the following macros to live samples: {{EmbedGHLiveSample("css-examples/learn/selectors/first-child.html", '100%', 800)}} {{EmbedGHLiveSample("css-e...
:is pseudo-class selector Note: This was originally specified as :matches() and :any() , but :is() has become a CSS standard. MDN explains: :is() CSS pseudo-class function takes a selector list as a parameter, and selects any element that can be selected by any selector in the ...
Resources: JS Bin testcase Chrome issue #576815: CSS4 pseudo-class :dir() WebKit bug #64861: Need support for :dir() pseudo-class MDN Web Docs - CSS :dir HTML specification for `:dir()` Microsoft Edge feature request on UserVoice...
4 - 15.0: Not supported 16.0: Not supported QQ Browser 10.4: Not supported Baidu Browser 7.12: Not supported KaiOS Browser 2.5: Not supported Resources: Chrome bug to track implementation WebKit support bug Firefox support bug MDN Web Docs - :has...
A CSS pseudo-element is a keyword added to a selector that lets you style a specific part of the selected element(s).
Note that inCSS3,W3Crecommended to use two colons (::) forpseudo-elementslike::beforeor::after. From theMDN web doc on Pseudo-elements: Note: As a rule, double colons (::) should be used instead of a single colon (:). This distinguishes pseudo-classes from pseudo-elements. However, ...
CSS p:first-of-type{color:red;font-style:italic;} :first-of-type 7、:focus :focus表示一个接收到焦点的元素(比如表单输入)。它通常在用户单击、点击元素或用键盘的Tab键选择元素时触发。 示例: HTML CSS .red-input:focus{background:yellow;color:red;}.blue-input:focus{background:yellow;color:blu...