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karan BadhwarWeb Development Techdegree Graduate 18,135 Points
So when we give Flex-direction : column; to our container and I witnessed that if I remove flex-basis its height is getting impacted not the Width, is it because when we change it to Column it's height becomes width and vice-versa and if i put flex-basis : 200px again back its height is stick to 200px not it's width. why is that?
That is (mostly) correct.
flex-basis is dependent on the
flex-direction. It's not so much that width and height become switched as much as it is that
flex-basis refers to the initial length of the item, and when
flex-direction: column, then the length is vertical, and when
flex-direction:row (the default), the length is horizontal. There is a good explanation at this stackoverflow question