Try this
[*CENTER][*css-div="width:400px; background-
color:#000000; text-align:left; padding:2px; border-
color:#000000; border-style:solid; border-size:10px;
color:#FFFAFA; border-radius:5px;"][cd=float:left; padding-
right:10px;][*css-div="width:350px; background-
color:#000000; text-align:left; padding:2px; border-
color:#000000; border-style:solid; border-size:10px;
color:#FFFAFA; border-radius:5px;"][cd=float:left; padding-
right:10px;][/*cd]
[/css-div]