Horizontal Rule Properties dialog box
(appears when you double-click a horizontal rule in the document window)
Lets you modify the properties of a horizontal rule.
Size
Width
Sets the length of the horizontal rule in pixels or as a percentage of the browser window width.
Height
Sets the thickness of the horizontal rule in pixels.
Alignment
Sets the location of a horizontal rule to Left, Center or Right. Only applies if the width of the line is less than 100% of the window width. The default is Center.
Style
Color
Sets the color of the horizontal rule. (This function works only in Internet Explorer.)
Solid line (no 3D effect)
Disables the default 3D effect applied to the rule. The rule will appear as a solid bar.