How to get rid horizontal scroll bar

HTML & CSS
1

How do I get rid of the horizontal scroll bar? Thanks

2

Remove (or adjust) the line in red:


ul.MenuBarHorizontal {
  border: 0 solid red;
  cursor: default;
  font-size: 100%;
  height: 100px;
  list-style-type: none;
  margin: 0;
  padding: 0 52px;
  [COLOR="#FF0000"]width: 1100px;
[/COLOR]}
3

Thanks Ralph