Triangular List Bullets

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Chris Coyier on (Updated on )
ul {
  margin: 0.75em 0;
  padding: 0 1em;
  list-style: none;
li::before { 
  content: "";
  border-color: transparent #111;
  border-style: solid;
  border-width: 0.35em 0 0.35em 0.45em;
  display: block;
  height: 0;
  width: 0;
  left: -1em;
  top: 0.9em;
  position: relative;

That’s a rather old-timey approach. These days you might consider how easy it is to do with ::marker. Here’s both: