box-lines: multiline; This attribute is not well supported. flex-wrap This attribute is available in some newer browsers. Therefore, if you want to use flex in an old browser and support line breaks, it will not be possible, and you may have to fall back to float.
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Yes.
box-lines: multiline;This attribute is not well supported.flex-wrapThis attribute is available in some newer browsers. Therefore, if you want to useflexin an old browser and support line breaks, it will not be possible, and you may have to fall back tofloat.