【前段开发】行内元素和块级元素总结（HTML CSS）

块级元素

<address>	information on author
<blockquote>	long quotation
<button>	push button
<caption>	table caption
<dd>	definition description
<del>	deleted text
<div>	generic language/style container
<dl>	definition list
<dt>	definition term
<fieldset>	form control group
<form>	interactive form
<h1>	heading
<h2>	heading
<h3>	heading
<h4>	heading
<h5>	heading
<h6>	heading
<hr>	horizontal rule
<iframe>	inline subwindow
<ins>	inserted text
<legend>	fieldset legend
<li>	list item
<map>	client-side image map
<noframes>	alternate content container for non frame-based rendering
<noscript>	alternate content container for non script-based rendering
<object>	generic embedded object
<ol>	ordered list
<p>	paragraph
<pre>	preformatted text
<table>	table
<tbody>	table body
<td>	table data cell
<tfoot>	table footer
<th>	table header cell
<thead>	table header
<tr>	table row
<ul>	unordered list

行内元素

<a>	anchor
<abbr>	abbreviated form
<acronym>	acronym
<b>	bold text style
<bdo>	I18N BiDi over-ride
<big>	large text style
<br>	forced line break
<button>	push button
<cite>	citation
<code>	computer code fragment
<del>	deleted text
<dfn>	instance definition
<em>	emphasis
<i>	italic text style
<iframe>	inline subwindow
<img>	Embedded image
<input>	form control
<ins>	inserted text
<kbd>	text to be entered by the user
<label>	form field label text
<map>	client-side image map
<object>	generic embedded object
<q>	short inline quotation
<samp>	sample program output, scripts, etc.
<select>	option selector
<small>	small text style
<span>	generic language/style container
<strong>	strong emphasis
<sub>	subscript
<sup>	superscript
<textarea>	multi-line text field
<tt>	teletype or monospaced text style
<var>	instance of a variable or program argument

行内元素、非置换元素不会应用width属性，比如对行内元素<a>应用了width:200px,你不会看到任何效果出现。

行内元素、非置换元素不会应用height属性，但是高度可以通过line-height来指定。

行内元素你可以给它设置padding，但只有padding-left和padding-right会有效果，没有padding-top和padding-bottom。

margin属性也是和padding属性一样，对行内元素左右有效，上下无效。