XHTML 1.0 Block-Level Elements

Most XHTML 1.0 elements permitted within the body are classified as either block-level elements or inline elements. Block-level elements typically contain inline elements and other block-level elements. When rendered visually, block-level elements usually begin on a new line.

The following are defined as block-level elements in XHTML 1.0:

• address - Address
• blockquote - Block quotation
• center - Centered block
• dir - Directory list
• div - Generic block-level container
• dl - Definition list
• fieldset - Form control group
• form - Interactive form
• h1 - Level-one heading
• h2 - Level-two heading
• h3 - Level-three heading
• h4 - Level-four heading
• h5 - Level-five heading
• h6 - Level-six heading
• hr - Horizontal rule
• isindex - Input prompt
• menu - Menu list
• noframes - Frames alternate content
• noscript - Alternate script content
• ol - Ordered list
• p - Paragraph
• pre - Preformatted text
• table - Table
• ul - Unordered list

The following elements may also be considered block-level elements since they may contain block-level elements:

• dd - Definition description
• dt - Definition term
• frameset - Frameset
• li - List item
• tbody - Table body
• td - Table data cell
• tfoot - Table foot
• th - Table header cell
• thead - Table head
• tr - Table row

The following elements may be used as either block-level elements or inline elements. If used as inline elements (e.g., within another inline element or a p), these elements should not contain any block-level elements.

• applet - Java applet
• button - Button
• del - Deleted text
• iframe - Inline frame
• ins - Inserted text
• map - Image map
• object - Object
• script - Client-side script