Summary of related usage of inline elements

When the z-index attribute and position attribute are not included, the stacking order of all elements is consistent with the order in which they appear in the HTML document. (Except for the special case of using negative margin to overlap inline elements.) When an element is floated, the floating block element is placed between the non-positioned block element and the positioned block element. In other words, the floating element is displayed in the normal flow. Above descendant block elements, and below descendant inline elements in regular flow. When the position attribute is added to an element, all elements with the position attribute and their sub-elements will be displayed on top of other elements without the position attribute. Z-index is only effective on elements with the position attribute set. The z-index attribute on elements without the position attribute does not take effect. The z-index attribute generates a stacking context. A group of elements with a common parent element that are moved forward or backward together form a stacking context. Each stacking context has a single root element. When a new stacking context is formed on the element, all child elements in the stacking context are limited to a fixed area in the stacking order. A stacking context structure

1. How to use the index attribute? Summarize the usage of index attribute examples

##Introduction: When the z-index attribute and position attribute are not included, all The stacking order of elements is consistent with the order in which they appear in the HTML document. (Except for the special case of using negative margin to overlap inline elements.) When an element is floated, the floating block element is placed between the non-positioned block element and the positioned block element. In other words, the floating element is displayed in the normal flow. Above descendant block elements, and below descendant inline elements in regular flow. When the position attribute is added to an element, all elements with the position attribute and their sub-elements will be displayed in its...

2. 10 recommended articles about block elements

Introduction: When the z-index attribute and position attribute are not included, the stacking order of all elements is The order in which they appear in the HTML document is consistent. (Except for the special case of using negative margin to overlap inline elements.) When an element is floated, the floating block element is placed between the non-positioned block element and the positioned block element. In other words, the floating element is displayed in the normal flow. Above descendant block elements, and below descendant inline elements in regular flow. When an element is added with the position attribute, all elements with the position attribute and its sub-elements will be displayed in its...

3. Summary of definition and usage of floating attribute functions

Introduction: To introduce the float property of CSS, you must first understand the standard document flow standard document flow. Without the intervention of CSS, block-level elements occupy one line. You can set the width and height. In-line elements are displayed side by side, and the width and height are automatically filled.

4. The role and usage of the span tag Summary

##Introduction: is an inline element in the CSS definition, and defines an inline element Area, that is, a row can be divided into several areas by to achieve a specific effect. itself has no properties. span has no fixed format representation. It only changes visually when you apply a style to it.

5.

A brief introduction to floating properties in CSS

##Introduction: Without the intervention of CSS, block-level elements occupy one line alone, and the width and height can be set. In-line elements are displayed side by side, and the width and height are automatically filled. The standard document flow (default layout) of an HTML page is: from top to bottom, from left to right, with line breaks when encountering blocks (block-level elements).

6.

Detailed explanation of examples of line-height and vertical-align properties in css

简介：line-height、font-size、vertical-align是设置行内元素布局的关键属性。这三个属性是相互依赖的关系，改变行间距离、设置垂直对齐等都需要它们的通力合作。在CSS字体里面已经详细介绍了font-size的相关内容，本文将主要介绍line-height与vertical-align。

7. HTML不能这么写，你造吗？

简介：a标签不可以嵌套交互式元素 块级元素可以包含内联元素和某些块级元素，内联元素不能包含块级元素，只能包含内联元素 p标签不能包含块级元素 不可包含块级元素的标签 li标签可以包含div以及ul，ul的子元素应该只有li 元素并排（块级和块级并列，内联和内联并列) 字符实体引发的错误 错误的使用 role 属性 行内元素强制转成块级元素，块级元素强制转成行内元素 使用 disabled=false 页面中同一个ID出现两次及以上 内嵌的 <script> 标签含有 src 属性</script>

8. 解析CSS 中元素的叠放顺序

简介：当不包含zindex属性和position属性时，所有元素的叠放顺序与其所在HTML文档中出现的先后顺序一致。（使用负margin来重叠内联元素的特例除外。） 当元素浮动float时，浮动块元素被放置于非定位块元素与定位块元素之间，换句话讲，浮动元素显示在普通流中的后代块元素之上，常规流中的后代行内元素之下。 元素加入position位置属性时，所有具有position属性的元素及其子元素...

9. HTML中3种常见元素的详细介绍

简介：内联元素叫法有内联元素、内嵌元素、行内元素、直进式元素一般都是基于语义级(semantic)的基本元素，它只能容纳文本或者其他内联元素，通常被包括在块元素中使用。内联元素有这些a锚点abbr缩写theW3C&...

10. 对行内元素与块级元素之间转换的详细教程

简介：2015.1.5日，我去了北京一家互联网创业公司面试，我感受到了那里年轻人在一起拼搏的氛围，招聘栏上，说是希望要有几年web前端工作经验的，我凭着自己的这点小本事，不自量力的去啦。结果，面试官问了，我许多我接触过的问题，但是，不幸的是，我对那些知识点完全是只知道大概，对于这些知识点在实际中...

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