2.1.70 [CSS-Level2-2009] Section 11.1.1, Overflow: the 'overflow' property

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V0098:

The specification states:

 Overflow
  
 Value:                 visible | hidden | scroll | auto | inherit
 Initial:               visible
 Applies to:            block containers
 Inherited:             no
 Percentages:           N/A
 Media:                 visual
 Computed value:        as specified

Quirks Mode and IE7 Mode (All Versions)

The inherit value of the overflow property is not supported.

All Document Modes (All Versions)

The scroll value of the overflow property is not supported on tbody elements.

V0099:

The specification states:

 When the root element is an HTML "HTML" element or an XHTML "html" element, and 
 that element has an HTML "BODY" element or an XHTML "body" element as a child, user 
 agents must instead apply the 'overflow' property from the first such child element 
 to the viewport, if the value on the root element is 'visible'. The 'visible' value 
 when used for the viewport must be interpreted as 'auto'. The element from which 
 the value is propagated must have a used value for 'overflow' of 'visible'.

Quirks Mode and IE7 Mode (All Versions)

The overflow property is not propagated from the first child element to the viewport.