css grid fr code example

Example 1: grid-column css

grid-column: span 2;

Example 2: what are the units used in css grid

the units used in css grid are as follows:
  1) fr: sets the column or row to a fraction of the available space.
  2) auto: sets the column or row to the width or height of its content 
            automatically.
  3) %: sets the column or row to the percent width  of its container.