Follow this procedure when you want to define different media rules for a style in the style sheet that is currently linked to a topic:
1)Choose Project > Open > Pods > Style and Formatting.
2)In the Styles and Formatting pod, select a style to modify for a specific media. Right-click and choose Edit.
3)Select the media or screen profile name from the Media list.
4)Modify the style as required. For example, select a smaller font size.
Apply the style and view the output.