CSS common inline elements and block-level elements

Block Elements
* address-addresses
* blockquote-block References
* Center-lift to Zi
* Dir-directory list
* div-often Block-level easy, but also the main label of CSS layout
* DL-definition list
* Fieldset-form control group
* form-Interactive Form
* H1-Title
* H2-subtitle
* H3-3 level title
* H4-4 level title
* H5-5 level title
* H6-6 level title
* HR-Horizontal Divider
* isindex-input prompt
* men U-Menu List
* Noframes-frames Optional content (Display this chunk content for browsers that do not support frame
* noscript-) optional script content (for browsers that do not support script)
* ol-row Order Form
* P-paragraph
* Pre-formatted Text
* Table-table
* ul-non-sorted list

"Inline elements (inline Element)"
* A-Anchor point
* ABBR-abbreviation
* Acronym-First word
* B-Bold (not recommended)
* Bdo-bidi Override
* Big-Large font
* BR-line Wrap
* cite-references
* Code-Computer codes (required when quoting source)
* DFN-Define Fields
* EM-emphasis
* Font-fonts set (not recommended)
* I-Italic
* img-Pictures
* Input-Enter box
* KBD-Define keyboard text
* Label-table label
* Q-Short reference
* S-underlined (not recommended)
* Samp-Define sample computer code
* Select-Project selection
* Small-Small font text
* span-commonly used inline container, definition text block
* Strike-underline
* Strong-Bold accent
* Sub-subscript
* SUP-Superscript
* TEXTAREA-multi-line text input box
* TT-Telex text
* U-Underline
* var-Define Variable

"Variable Element"--a variable element determines whether the element is a block element or an inline element based on the context context.

* Applet-java Applet

* Button-Buttons

* Del-delete text

* Iframe-inline Frame

* INS-Inserted text

* Map-image block (map)

* Object-object Object

* Script-Client scripting