CSS column-gap property is used to specify the gap(spacing) between the columns.
This property was initially used in Multi-column Layout, then it has been moved to the Box Alignment for the use in several contexts layout.
To support column-gap property on different browsers we need to add some prefixes, they are
- -webkit- : It supports chrome, safari and new version of opera
- -moz- : It support Firefox.
- -o- : Old versions of opera.
- -ms- : Internet explorer.