gridcolumnstart
grid-column-start is a longhand property in CSS Grid Layout that specifies the starting grid line for a grid item along the column axis. Its value can be a numeric line index, a named grid line, or auto. It does not by itself determine the end line or the span; those are controlled by grid-column-end or by the grid-column shorthand.
In practice, grid-column-start is usually used together with grid-column-end to define how many columns an item
Named lines can also be used if the grid template defines them. For instance, a template like
Auto placement is possible when the value is auto; in this case the browser determines the start