Compatible CSS for first-child

selector:first-child {declarations}*:first-child + html selector{declarations}*:first-child + html selector{declarations} * html selector{declarations}

Example:
.dateElement td:first-child { width:80px; }
*:first-child + html .dateElement td{ width:80px; }
*:first-child + html .dateElement td{ width:80px; } * html .dateElement td{width:80px;}

Source