Learn about the CSS Focus Within property to create styles on a parent element from a child elements focused state! ... <看更多>

Css code: .sub-main-container:focus-within:not(#form-message) { filter: blur(0.5rem); }. I'm using the pseudo-class :focus-within to blur ... ... <看更多>

PostCSS Focus Within lets you use the :focus-within pseudo-class in CSS, following the Selectors Level 4 specification. It is the companion to ... ... <看更多>

focus -within伪类是什么?与:focus伪类比较接近。:focus是当元素获得焦点时应用样式，而:focus-within是当前元素或者其子元素获得焦点时应用样式。 ... <看更多>