You don't, you decide not to have a party and give all that would be spent on it to help the starving people of the horn of Africa, or those flooded out in Pakistan.
you use the CSS attribute "list-style: square" on the UL tag (either by inserting the code into your CSS stylesheet or by appending style="list-style: square" to your UL tag)
The name of the person; whether it's a surprise party or not; dress code (if any); address and the time of the party along with the person's phone number that is having the party. In most cases...