: This is a class selector . The randomized-looking name (likely generated by a CSS-in-JS library like Styled Components or a minifier) suggests it targets a specific component rather than a generic tag.
This specific class name is frequently associated with on social media platforms or news sites. In these layouts, the "story" (often a thumbnail with text) is treated as a single clickable unit. .j5Oi9EQr { vertical-align:top; cursor: pointe...
The indicates the entire "story" block can be clicked to open the full content. cursor CSS property - MDN Web Docs : This is a class selector
The CSS snippet you provided, .j5Oi9EQr { vertical-align:top; cursor: pointer; ... } , appears to be a style definition for a specific user interface element, likely a in a web application. Breakdown of the CSS Properties: In these layouts, the "story" (often a thumbnail