Beispiel:Advent.css

#content .cf-advent-calendar-list li {
   line-break: auto;
}
#content .cf-advent-calendar-list li ul {
  list-style-type: disc;
  padding-left: 1.5em;
}
#content .cf-advent-calendar-list li li {
  display: list-item;
  border: none;
  min-height: auto;
  margin-bottom: 0;
  padding: 0.1em 0.2em;
}