.d0 {float: left; min-width: 600px; margin-top: 20px; }
#d1, #d2 {float:left; padding: 10px; width: 260px; min-height: 180px; background: #eecb85; } 
#d1 H3, #d2 H3 { margin-top:0px; padding-top:0px; font-weight:bold;} 
#d1 {margin: 0px 20px 20px 0px}
#d2 {margin: 0px 20px 20px 0px}