@media only screen and (max-width: 600px) {
    td:nth-of-type(1):before { content: "Section Chair:"; }
    td:nth-of-type(2):before { content: "Program Chair:"; }
    td:nth-of-type(3):before { content: "Secretary:"; }
    td:nth-of-type(4):before { content: "Treasurer:"; }

}