2.1.107 [CSS-Level2-2009] Section 17.4.1, Caption position and alignment

V0273:

The specification states:

 ‘caption-side’
  
 Value:                 top | bottom | inherit
 Initial:               top
 Applies to:            'table-caption' elements
 Inherited:             yes
 Percentages:           N/A
 Media:                 visual
 Computed value:        as specified
  
 This property specifies the position of the caption box with respect to the table 
 box. Values have the following meanings:
  
 top 
 Positions the caption box above the table box. 
  
 bottom 
 Positions the caption box below the table box. 

Quirks Mode and IE7 Mode (All Versions)

The caption-side property is not supported.