.wp-block-list {
  padding-left: 2.5em;
}

.wp-block-list li {
  margin-bottom: 0.5em;
}

.wp-block-list.is-style-checkmark li {
  list-style-type: none;
  position: relative;
}

.wp-block-list.is-style-checkmark li::before {
  content: "✓";
  position: absolute;
  left: -1.5em;
  color: #00a32a;
  font-weight: bold;
}