.clock_container {
  color: #fff;
  margin: 0 auto;
  padding: 0.5rem;
  text-align: center;
}
.countdown > li {
  padding: 0;
  position: relative;
  display: inline-block;
  text-align: center;

  text-align: center;
  background: #E91E63;
  background: rgba(255, 255, 255, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 5px 50px -10px #000;

  display: inline-block;
  font-size: 0.5em;
  list-style-type: none;
  padding: 1em;
  text-transform: uppercase;
}
.countdown > li > span {
  display: block;
  font-size: 3em;
}

@media (max-width: 960px) {
  .countdown > li > span {
    font-size: 1.6em;
  }
  .countdown > li {
    margin: 5px;
    padding: 0.4em;
    background: rgba(255, 255, 255, 0.35);
    font-size: 0.4em;
    min-width: 80px;
  }
}