If you are inspecting this to replicate a similar look, you are likely looking at a component designed for:
: Minified class names like .qWNnBsIY are generated by CSS-in-JS libraries or build tools to keep the file size small and prevent style leakage across the site. Practical Application .qWNnBsIY { vertical-align:top; cursor: pointe...
: Elements that don't look like traditional buttons but need to feel clickable. If you are inspecting this to replicate a
: This ensures that if the element is part of an inline-block (like a thumbnail next to text), it aligns to the top of the line height rather than the baseline. This is standard for grid-based layouts to prevent "jumping" when elements have different heights. This is standard for grid-based layouts to prevent
The CSS selector .qWNnBsIY is a commonly associated with YouTube's internal layout components. When paired with the properties vertical-align: top and cursor: pointer , it typically defines a clickable UI element —most often a video thumbnail, a specific icon in the player, or a comment avatar. Key CSS Features for This Element