When the content of a topic has expanded beyond the bottom
of the page, you can scroll down using the vertical scroll
bar at the right hand side of the topic pane.
2. Resize topic pane
In order to see a greater area of the topic pane, click
and drag the horizontal divider, between the navigation pane
and the topic pane, to the required size.
3. Horizontal scroll bar
If the content of a topic has expanded beyond the width
of your screen, you can scroll across using the horizontal
scroll bar at the lower edge of the topic pane.