Putting scrollbar

If the content that is typed went over the specified layout area, it is reasonable to use a scrollbar. And the way to put a scrollbar is by changing the properties of the CSS style. So click the content CSS style, and see the properties box underneath. Under the 'positioning' category, change the 'overflow' option to auto, and any content that is deemed to go over the specified area (layout), will automatically have a scrollbar on the content body