This example add a border around each page in the first section in the selection. The example also removes the horizontal borders at the edges of tables and paragraphs, thus connecting the horizontal borders to the page border.
With Selection.Sections(1)
For Each aBord In .Borders
aBord.ArtStyle = wdArtBalloonsHotAir
aBord.ArtWidth = 15
Next aBord
With .Borders
.DistanceFromLeft = 2
.DistanceFromRight = 2
.DistanceFrom = wdBorderDistanceFromText
.JoinBorders = True
End With
End With