There are three types of list HTML.

 1. Order List

 2. Unorder List

 3. Description Lists
Order Lists: If you are trying to give the serial number of the list. Like,

1. Text 1st list Item

2. Text 2nd list Item

3. Text 3rd list Item

4. Text 4th list Item

OR
I.  Text 1st list Item

II. Text 2nd list Item

III. Text 3rd list Item

IV. Text 4th list Item

You can solve it by using the order list code. Remember that the list items in ordered lists are marked with numbers.

An ordered list, created using the < ol > tag, and each list item starts with the < li > tag.