/*
* Table Cell Counter
* 
* Adapted from:
* http://stackoverflow.com/questions/17012421/auto-number-table-rows
* You can turn the first cell of a table into a row counter using these
* styles. Even works on IE8+!
* Also would technically work with any element
*/
tbody {
    counter-reset: rowNumber;
}

tbody tr {
    counter-increment: rowNumber;
}

tbody tr td:first-child::before {
    content: counter(rowNumber);
    min-width: 1em;
}
Add note on how to number table rows using CSS
Add note on how to number table rows using CSS
