.wcst_tracking_info_box
{
	display:block;
    margin-bottom: 2px;
    padding: 6px;
}
.wcst_tracking_info_box:nth-child(even) 
{
	background: #ffffff;
	border: 1px solid #f3f3f3;
}
.wcst_tracking_info_box:nth-child(odd)
{
	background: #e4e4e4;
	border: 1px solid #f3f3f3;
}