/* Styles for one-column display */
#wp125adwrap_1c { width:100%; }
#wp125adwrap_1c .wp125ad { margin-bottom:10px; }

/* Styles for two-column display */
#wp125adwrap_2c { width:220px; }
#wp125adwrap_2c .wp125ad { width:96px; float:left; padding:5px; }