To change the bars:
Hide or show a bar
Choose View > Hide Bookmarks Bar, Status Bar, Tab Bar, or Toolbar. If a bar is hidden, its View menu option changes to Show.
Customize the toolbar
Choose View > Customize Toolbar. Drag buttons into or out of the toolbar, and then click Done.
Rearrange the toolbar or bookmarks bar
Click the Safari window to make it active. Then hold down the Command key and drag the buttons or bookmarks back and forth. The Home and arrow buttons can’t be dragged.