Should header be fixed when using three column layout?

1. How do you create a 3 column grid layout?
2. What is 3 column layout in HTML?
3. What is multiple column layout?

How do you create a 3 column grid layout?

By using grid-template-columns: repeat(3, 1fr) on grid container you will get layout with 3 columns of equal width, and grid layout will by default make all items in each row equal height. Save this answer.

What is 3 column layout in HTML?

3 Responsive Columns With Equal-Width & Equal-Height

In this three-column layout, the columns are stacked on mobile then sit side-by-side on tablet.

What is multiple column layout?

Multiple-column layout, usually referred to as multicol, is a specification for laying out content into a set of column boxes much like columns in a newspaper. This guide explains how the specification works with some common use case examples.