Нумерация сетки

/*Нумерация таблицы*/
.bur_set {
    counter-reset: chapter;
}
.bur_set>.w-grid-list>article {
    counter-increment: chapter;
	position:relative;
}
.bur_set>.w-grid-list>article:before {
    content: counter(chapter) " ";
    font-weight: bold;
    position: absolute;
    z-index: 1;
    left: 30px;
    top: 22px;
}
.bur_set>.w-grid-list>article:nth-child(-n+3):before {
    color: #17DBD8;
}
/*Конец нумерация таблицы*/