.dialpad-buttons {
  white-space: nowrap;
  overflow: hidden;
}

.dialpad-buttons .button {
  margin: 4px;
  line-height: 16px;
  width: 1.5em;
  height: 1.5em;
}
.dialpad-buttons .button .dialpad-number {
  padding-top: 8px;
  display: block;
  font-size: 16px;
  font-weight: bold;
}
.dialpad-buttons .button .dialpad-characters {
  display: block;
  font-size: 9px;
  text-transform: uppercase;
}

@media screen and (max-width: 27em) {
  .dialpad-buttons .button {
    width: 2rem;
    height: 2rem;
  }
}