Characteristics:
1, front and rear line display, the default state occupies a whole row
2, with a certain width and height, you can set the block-level label width, height properties to control
3, block-level label commonly used as a container, that can be "accommodated" other block-level labels or row-level labels
Row-level labels are typically used to organize content, which can only be used to "hold" text, pictures, or other line-level labels
Differentiate: page Layout angle
(1, the basic block-level label
1), title tag
2), paragraph label <p> Wrap
3), horizontal line label
(2. block-level labels commonly used for layouts
1), ordered list label <ol>-<li>
2), unordered list tags <ul>-<li>
3), define list label <dl>-<dt>-<dd>
4), form labels <table>-<tr>-<td>
5), form labels <form>-<input>
6), partition label <div>
Summary: Common block tags
1),Div-ul (OL)-li: Often used for category navigation or menus, etc.
2),div-dl-dt-dd: Commonly used in text and graphics mixed occasions
3),table-tr-td:: Often used for graphic layout or display data
4),form-table-tr-td: Commonly used for layout forms
Block-level labels