This page describes specific settings for the Line Break widget. Note that generic widget settings are described on the Widget Generic Settings page, so if you cannot find the setting you are looking for check there too.
Basics
Show Horizontal Rule (<hr>)
Use the toggle to choose whether to show a horizonal rule.
Bottom Border Color
Choose a color for the bottom border.
Bottom Border Style
Choose a style for the bottom border.
Bottom Border Width
Type or use the arrow buttons to set a width for the bottom border.