matchup/styles.css at main · LinuxGuy312/matchup · GitHub

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@import url('https://fonts.googleapis.com/css2?family=Quicksand&display=swap');

.card {
  perspective: 1000px;
  transform-style: preserve-3d;
  transition: transform 0.5s;
}

.card.flipped {
  transform: rotateY(180deg);
}

.card .front,
.card .back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.75rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.card .front {
  background-color: white;
  transform: rotateY(180deg);
}

.card .back {
  background-color: #efeff5;
  transform: rotateY(0deg);
}

.card.matched {
  border: 2px solid #a9fdad;
  border-radius: 0.75rem;
}

@keyframes pulse {
  0% { color: #333; }
  40% { color: #ef4444; }
  100% { color: #333; }
}

.timer.pulse {
  animation: pulse 1s infinite;
}