“block-level box一定会产生block formatting context”是错误的，block-level box须通过设置如overflow不...
In CSS 2.1, many box positions and sizes are calculated with respect to the edges of >a rectangular box called a containing block.In general, generated boxes act as >containing blocks for descendant boxes; we say that a box "establishes" the >containing block for its descendants. The phrase...
行内块inline-blocks (元素的 display: inline-block) 表格单元格(元素的 display: table-cell,HTML表格单元格默认属性) 表格标题(元素的 display: table-caption, HTML表格标题默认属性) overflow 的值不为 visible的元素——这句话不太准确 弹性盒子flex boxes (元素的 display: flex 或 inline-flex)——CSS3...
当我们将h标签的 display 属性变成run-in时，结果就变成了这样。h1 { display: run-in;} One Point.Here is the description.If a run-in element precedes a block level element, the run in element will behave structurally as if it has become the block level elements first inline child element...
overflow:hidden 的意思是超出的部分要裁切隐藏掉 那么如果 float 的元素不占普通流位置 普通流的包含块...
2. Not all block container boxes are block-level boxes, 比如 table-cell | inline-block 3. Floats, absolutely positioned elements, block containers (such as inline-blocks, table-cells, and table-captions) that are not block boxes --- Inline 元素 Inline-level boxes: 当设置 display 'inline'...
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These keywords specify the element's outer display type, which is essentially its role in flow layout. block The element generates a block-level box. inline The element generates an inline-level box. run-in The element generates a run-in box. Run-in elements act like inlines or blocks, de...
.wrapper{margin:2rem;font-size:50px;line-height:100px;background-color:#2d2f42;}.base-line{overflow:visible;display:inline-block;width:1px;height:1px;}.base-line div{width:1000px;height:1px;background:fuchsia;}.text{color:#ddd;}.inline-box{line-height:70px;width:100px;height:150px;bac...
不是块盒的块容器。诸如行内块inline-blocks,表单元格table-cells和表标题table-captions。 即 display的值为table-cell, table-caption, inline-block中的任何一个。 overflow值不为visible的块盒。(除非该值被传播到视口viewport) 然后,MDN中注明,如下条件会产生BFC(这里我直接放英文原版): ...