怎么能把csp与colspan =任何奇数？

Question

我如何把csp与colspan =任何奇数？

.rms_home_table td.borderNone[colspan="2"] {
    background-image: url(mid_line.png);
    background-repeat: repeat-x;
    background-size: 100px 30px;
}

what I required this to be done 

.rms_home_table td.borderNone[colspan="any odd number"]

Answer 1

简单的CSS将是

tr:nth-child(even) {

}