hr{
  height: 1px;
  background-color: #ccc;
  border: none;
}

/* Bouncing arrow */
.bounce {
  -moz-animation: bounce 2s;
  -webkit-animation: bounce 2s;
  animation: bounce 2s;
  animation-iteration-count: 2;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(0);
  }
  40% {
    transform: translateX(-30px);
  }
  60% {
    transform: translateX(-15px);
  }
}

.centercell {
  text-align: center;   
}