#left_column #field_bestsellers,
#right_column #field_bestsellers {
    border: 1px solid #e2dfdf;
    box-shadow: 0 0 0 1px #fff inset;
    min-height: 340px;
    overflow: hidden;
    padding: 15px;
}
#field_bestsellers .item-content:last-child{
    border-bottom: 0;
    box-shadow: none;
}
#left_column #field_bestsellers .item-content,
#right_column #field_bestsellers .item-content {
    padding-bottom: 15px;
    border-bottom: 1px solid #e2dfdf;
    box-shadow: 0 1px #fff;
}
#left_column #field_bestsellers .item-content:last-child,
#right_column #field_bestsellers .item-content:last-child{
    padding-bottom:0;
    border-bottom:0;
    box-shadow:none;
}
#left_column #best-sellers_block_right,
#right_column #best-sellers_block_right {
    display:inline-block;
    width:100%;
    padding:0;
}