.pcilfzra { Vertical-align:top; Cursor: Pointe... Page

However, the specific properties applied to it indicate its function:

: Ensuring images in a gallery align at the top edges while indicating they can be clicked to expand. .pcilFZra { vertical-align:top; cursor: pointe...

To identify exactly what this does on a specific site, you can right-click the element in your browser and select . This will show you the HTML tag associated with the class and what happens when you click it. However, the specific properties applied to it indicate

: This aligns the element (often an image, inline-block, or table cell) to the top of its line box or container. .pcilFZra { vertical-align:top; cursor: pointe...