@-webkit-keyframes crucipop {
  50% {
    transform: scale(1.6);
  }
}
@keyframes crucipop {
  50% {
    transform: scale(1.6);
  }
}

#puzzle-wrapper {
  border-radius: 8px;
  margin: 0 auto;
}
.puzzle {
  border: 2px solid #000;
  border-bottom: 1px solid #000;
}
.row {
  display: grid;
  overflow: hidden;
  grid-template-columns: repeat(12, 1fr);
}
.col {
  position: relative;
  height: 0;
  background: #4a4a4a;
  text-align: center;
  padding-bottom: 99%;
  border: 1px solid #000;
}
.j-done {
  color: #fff !important;
  background-color: #124a7d !important;
  font-weight: bold !important;
  border-color: #124a7d !important;
  -webkit-animation: crucipop 0.35s ease 1;
  animation: crucipop 0.35s ease 1;
}
.letter-holder {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  font-family: "Cubano", sans-serif, cursive;
  font-size: 18px;
  font-weight: 500;
  text-transform: uppercase;
}
.space {
  background: #fff;
}
.active-word {
  background: #b1d7fb;
}
.active {
  color: #fff;
  background: #ffd902;
}
.number {
  position: absolute;
  top: 4px;
  left: 4px;
  color: #212121;
  font-size: 12px;
  line-height: 1;
}
input {
  opacity: 0;
}
.c-sidebar__list li.solved {
  color: #fff;
  text-decoration: line-through;
}
.c-sidebar__list li.solved::before {
  color: #124a7d;
  background-color: #fff;
}

@media screen and (min-width: 1024px) {
  .col {
    border-width: 3px;
  }
  .letter-holder {
    font-size: 28px;
  }
}