[Horizontal Rule] tab ("Attribute" dialog box [Horizontal Rule])

[Layout] group

Used to specify the layout of a horizontal rule.

[Alignment] box

Used to specify horizontal alignment of a horizontal line. Note, however, that there is no effect if the width of the horizontal line is not specified.

[(Auto)] Does not specify alignment.

[Left] Aligns the layout of a horizontal line with the left.

[Center] Aligns the layout of a horizontal line with the center.

[Right] Aligns the layout of a horizontal line with the right.

You can also use an icon to set the horizontal alignment.

[Thickness] field

Used to specify the thickness of a horizontal rule in units of pixels.

[Width] field

Used to specify the width of a horizontal rule in units of pixels or as a percentage.

[Appearance] group

Used to specify the method of displaying a horizontal rule.

[No Shading] check box

If you place a check mark in this check box, a ruled line is not shaded but appears as a solid black line.