[header] How to insert a line in html [title] Open a simple text editing program such as either notepad or wordpad on windows, or, on a mac, open up textedit. [title] Type all preceding html text that you want before the horizontal line. [step] Due to the necessary need to show off the line, it is necessary to place this line inside the [body] and [/ body] html tags. 
This should include the [html], [head] and [/ head] at the top before the [body] tag. [title] Create the horizontal rule on it's own line of html text.