.home_c1
{
    width:250px; min-height:420px;
    background-image:url('../img/col_separator.png'); background-repeat:no-repeat; background-position:right;
}
.home_c2
{
    width:460px; padding-left:20px; padding-right:20px;
}
.home_c3
{
    width:250px; min-height:420px;
    background-image:url('../img/col_separator.png'); background-repeat:no-repeat;
}