border on the left side of the #mainContent div if the #mainContent div will always contain more content than the #sidebar1 div.
Donec eu mi sed turpis feugiat feugiat. Integer turpis arcu, pellentesque eget, cursus et, fermentum ut, sapien.
adividing
line instead, place a border on the right side of the #mainContent div
if the #mainContent div will always contain more content than the
#sidebar2 div.
Donec eu mi sed turpis feugiat feugiat. Integer turpis arcu, pellentesque eget, cursus et, fermentum ut, sapien.