.sc_number_item {
  display: inline-block;
  text-align: center;
  font-size: 3em;
  font-weight: 700;
  width: 1em;
  height: 1.25em;
  line-height: 1.25em;
  background-color: rgba(0,0,0,0.15);
  color: #ffffff;
  border-radius: 4px;
  margin: 0 2px; /* petit espace entre chiffres */
}