Template:CSS3Counter/styles.css

/* [[Category:CSS from Wikimedia]] */
body, table, .css3_counter_reset {
    counter-reset: css3_counter;
}

.css3_counter {
    counter-increment: css3_counter;
}

.css3_counter::before {
    content: counter(css3_counter);
}

.css3_counter::after {
    content: ".";
}