The flex-direction property is sub-property of flexible box layout module. It established the main axis of the flexible item. the main axis of the flex item is the primary axis. It’s not necessarily horizontal all the time it basically depends on the flex-direction property.
Note: If the element is not a flexible item, the flex-direction property has no effect.
flex-direction: row|row-reverse|column|column-reverse|initial|inherit;
Supported Browsers: