Use the Horizontal Line dialog to change the width, height, alignment, and color of a horizontal line.
Width: Sets the length of the line in pixels or by percent.
Pixels measure the width in screen pixels.
Percent measures the width by percent, with 100 percent being equal to the entire width of the help viewer.
Height: Sets the thickness of the line in pixels. The greater the number, the thicker the line.
Alignment: Sets the alignment of the horizontal line to Left, Center, or Right on the topic page.
Appearance:
Custom: Indicates a custom color will be applied to the line.
Fill color: Selects the line color. If the help project includes custom colors, they are available from the drop-down list.
Preview: Displays selected horizontal line settings.