Css counters

body {
  counter-reset: section;                    /* On initialise le compteur à 0 */
}

h3::before {
  counter-increment: section;                /* On incrémente le compteur section */
  content: "Section " counter(section) " : "; /* On affiche le compteur */
}

Source: developer.mozilla.org

Counter-style counter css counters

@counter-style circled-alpha {
  system: fixed;
  symbols: Ⓐ Ⓑ Ⓒ Ⓓ Ⓔ Ⓕ Ⓖ Ⓗ Ⓘ Ⓙ Ⓚ Ⓛ Ⓜ Ⓝ Ⓞ Ⓟ Ⓠ Ⓡ Ⓢ Ⓣ Ⓤ Ⓥ Ⓦ Ⓧ Ⓨ Ⓩ;
  suffix: " ";
}

Source: developer.mozilla.org

Similar codes

21 votes140 views2 answers
Form field focus border remove css
CSS
0 vote285 views1 answer
Cop pics css
CSS
2 votes242 views1 answer
Changong text color css
CSS
1 vote177 views1 answer
Convert string to uppercase while typing
CSS
9 votes169 views3 answers
How to change another element on hover
CSS
1 vote143 views1 answer
Padding clamp
CSS
3 votes151 views2 answers
Css crop image to circle
CSS
1 vote144 views1 answer
Hard blink
CSS
0 vote146 views1 answer
Dropdown dropdown-user nav-item work on 2 clicks
CSS
100 votes158 views2 answers
What is position property in css
CSS