papercss/src/content/_lists.scss

ol {
  list-style-type: decimal;
  ol {
    list-style-type: upper-alpha;
    ol {
      list-style-type: upper-roman;
      ol {
        list-style-type: lower-alpha;
        ol {
          list-style-type: lower-roman;
        }
      }
    }
  }
}

ul {
  list-style: none;
  margin-left: 0;
  li {
    text-indent: -7px;
    &:before {
      position: relative;
      left: -7px;
    }
  }
  @include li-bullet("-");
  ul {
    @include li-bullet("+");
    ul {
      @include li-bullet("~");
      ul {
        @include li-bullet("⤍");
        ul {
          @include li-bullet("⁎");
        }
      }
    }
  }
  &.inline li {
    display: inline;
    margin-left: 5px;
  }
}