mainCol
In web development, `mainCol` is a term commonly associated with the semantic structure of web pages, particularly in the context of HTML5 and responsive design. While not a standard HTML element, `mainCol` often refers to the primary content column within a layout, typically containing the main content of a webpage. This concept is closely related to the `<main>` element in HTML5, which is used to define the dominant content of a document, excluding secondary content like sidebars or navigation.
The use of `mainCol` in frameworks or design systems (such as Bootstrap or custom CSS grids) may
Developers may implement `mainCol` using CSS Flexbox, Grid, or utility-first frameworks. For instance, in a CSS
While not a formal HTML attribute, `mainCol` serves as a practical shorthand in documentation or code comments