Why does one of my bookmarks appear on a side bar ?
When I click on it in Bookmarks it appears in a narrow strip down the left side of the screen My other bookmarks do not do this
Opaite Mbohovái (1)
Opening in the side bar is the default for bookmarks that are created via a link or button on a website.
You can check the Properties of a bookmark via the right-click context menu in the side bar (Ctrl+B).
In the Bookmarks Manager (Bookmarks > Organize Bookmarks) you can click the More button in the Details pane at the bottom right.
Make sure that "Load this bookmark in the side bar" is not selected.