a[href="/mantis/plugin.php?page=IsidaNBRBReport/getreport"],
a[href="/plugin.php?page=IsidaNBRBReport/getreport"] {
    background-image: url("images/export_4nbrb.png") !important;
    background-repeat: no-repeat;
    background-size: contain;
    background-position-x: center;
    font-size: 0px;
    height: 28px;
    width: 33px;
}
td.nbrbreport {
    width: 100%;
}
textarea.days {
    width: 100%;
}
th.weekends  {
    color: red;
}
th.workdays {
    color: green;
}