The display property specifies the type of box an element should generate. Microthemer includes the 'display' property in the Flexbox group AS WELL as the Behaviour group for convenience. As it is necessary to set 'display' to 'flex' or 'inline-flex' in order for the other flexbox properties to work.
Value
Description
flex
Displays an element as a block-level flex container. New in CSS3
inline-flex
Displays an element as an inline-level flex container. New in CSS3.
Display (flex)
The display property specifies the type of box an element should generate. Microthemer includes the 'display' property in the Flexbox group AS WELL as the Behaviour group for convenience. As it is necessary to set 'display' to 'flex' or 'inline-flex' in order for the other flexbox properties to work.
Themeover CSS Reference
Online CSS Tutorials: Flexbox