All the attributes of the <tfoot> tag are deprecated in HTML5.
Attributes used with <tfoot>
tag
Attribute
Description
align
Aligns the content of this tag to either left, right, center, justify or char. (HTML5 does not support this attribute when it is used with the <tfoot> tag).
bgcolor
Describes Background color of the elements inside this tag. (HTML5 does not support this attribute when it is used with the <tfoot> tag).
char
Sets the alignment of the content inside the <tfoot> to a character. The default value of char is decimal-point character. (HTML5 does not support this attribute with this tag).
charoff
Sets the character offset i.e. the number of characters inside the <tfoot> tag to which the content will align from a particular specified character. (HTML5 does not support this attribute with this tag).
valign
To align the content of the <tfoot> vertically at top, bottomp, middle, or baseline. (HTML5 does not support this attribute).