.block .box1 { float:left; width:435px; padding:0 20px 0 10px; }
.block .box2 { float:left; width:435px; padding:0 10px; }
.block .box3 { float:left; width:285px; padding:6px 12px 0 12px; }
.block .box4 { float:left; width:285px; padding:6px 0 0 12px; }