Margin Collapse Controls

margin-top-collapse: auto | nocollapse | collapse | discard;
margin-break: auto | keep | discard;

margin-*-collapse is the standard “I want to control whether margins collapse” rule that people request all the time. The “discard” value helps with the use-case where the first block in a table-cell throws away its top margin.

margin-break is for when elements break across something (page, column, flexbox-line) and you want to keep or discard the relevant margins.

ideas/margin-collapsing.txt · Last modified: 2014/12/09 15:48 (external edit)
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