WebMargins that combine this way are said to collapse, and the resulting combined margin is called a collapsed margin. 大概意思是: 在CSS中,两个或多个毗邻的普通流中的盒子(可能是父子元素,也可能是兄弟元素)在垂直方向上的外边距会发生叠加,这种形成的外边距称之为外边距叠加。 WebMar 9, 2024 · Margin collapse is an interesting concept in CSS margins that you should know, understand and be conscious of. It is the process where you apply a margin of 10px on top, the bottom of an element, apply another 10px on top, the bottom of the next element, and end up having a 10px space between the two-element instead of 20px.
CSS Flexbox (Flexible Box) - W3School
WebMay 5, 2024 · Only one type of margin can collapse: Vertical (top and bottom). Margin collapse never applies to horizontal (left and right) margins. Now, let’s talk about what … WebBefore the Flexbox Layout module, there were four layout modes: Block, for sections in a webpage. Inline, for text. Table, for two-dimensional table data. Positioned, for explicit … bit of gossip
css - Collapsing margin on Flexbox children - Stack Overflow
Web.flex { display: flex; flex-wrap: wrap; margin: -1 rem; } .item { margin: 1 rem; } Margin collapse does not exist inside a Flexbox, which means all children now have 1rem of margin on all sides, creating equal 2rem gutters between them—just like grid-gap. The issue is the 1rem of margin all around, which creates uneven design and prevents ... WebMay 22, 2015 · The same rule holds as if both were positive. However, the margin that collapses is the bigger negative of the two rather than the one that is closest to being positive. For example, if one margin is -25px and the other is -50px, then -50px will be the margin. Another situation you might wonder about is when one vertical margin meets an … WebJul 2, 2024 · The single margin is equal to the largest of the two margins getting collapsed. You would expect the margin between the two paragraphs to be 30px (10px bottom margin of 1st paragraph + 20px top margin of next paragraph). But in CSS the bigger margin overrides and the actual margin is the bigger one (20px). If one element … data friendly space