Card Creation Guide.

There is only single straight forward guide to create cards:

Height : Provide Intrinsic Height to the column.

Width : Create an optional parameter `maxWidth` with a default value, if current screenWidth is less than this `maxWidth` then the width of the widget should be dynamic so that it can adjust beautifully on every mobile screen. But if screenWidth becomes greater than `maxWidth` then the width of the widget will be `maxWidth`