I want to position my labels in my forms as right-justified but when I edit the justification for td.KT_th in the tng.css file the table headings are also right justified.
Change your tng.css file to look like this.
.KT_tngtable th, .KT_tngtable /*td.KT_th*/, .KT_tngtable caption {
font-size: 12px;
text-align: left;
}
td.KT_th {
font-size: 12px;
text-align: right;
}