You can change the appearance of a horizontal line by specifying:
• the line thickness
• the space above the line
• the width of the line
• the color of the line
• whether the line is visible.
To change the appearance of a horizontal line:
1 Select the line.
2 Choose Format > Format Horizontal Line.
3 Update the [ fcp://@fc.onlinehelp.com,%237600229/En/OnlineHelp/Form/307 ]Format Horizontal Line form.
Sources
The Northwest Regional Educational Laboratory (NWREL); Monitoring Student Learning in the Classroom, a report by Kathleen Cotton http://www.nwrel.org/scpd/sirs/2/cu4.html
The Continuing Trouble with Collaboration: Teacher Talk
Lawrence Leonard, Pauline Leonard, Louisiana Tech University http://cie.asu.edu/volume6/number15/