To modify properties of a style:
1.Select the required style in the style list.
2.Click the Modify button on the style toolbar (located above the list).
3.Using the style dialog-box (shown on the screenshot below), modify the desired parameters and click OK then.

Style Name
A unique name identifying a style in the help project.
Style Type
Specifies style type (text, paragraph, etc.). The style type cannot be modified for an existing style.
Based on Style
Specifies the base style for the style being edited. You can modify this value at any time to change the base style for an existing style, or set it to None, so the style being edited will become a stand-alone style.
Font
Use this button to change font settings for a text style.
Language
Use this button to change language settings for a text style.
Paragraph
Use this button to change paragraph settings for a paragraph style.
List
Use this button to change list settings for a list style.
User style
If selected, this style is implied to be created by the user. Alternatively, if this option is not checked, the style is implied to be automatically created and can be deleted by HelpSmith when becomes unused.
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