* {
  box-sizing: border-box;
}
body {
  display: flex;
  flex-direction: column;
  width: calc(100% - 450px);
  margin: 0 auto;
  font-family: Arial, Helvetica, sans-serif
}
@media (max-width: 1199px) {
  body {
    width: calc(100% - 60px);
  }
}
.splash-screen {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  background-color: rgb(5 5 6 / 80%);
}
.splash-screen .content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}
.splash-screen .content p {
  padding: 20px;
  font-size: 18px;
  color: #795548;
  margin-bottom: 40px;
  background-color: white;
}
.splash-screen .content span {
  color: white;
  cursor: pointer;
  font-size: 30px;
  padding: 15px 25px;
  border-radius: 6px;
  -webkit-user-select: none;
  user-select: none;
  background-color: #2196f3;
}
.info {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding: 12px;
  color: white;
  margin-top: 15px;
  background-color: #795548;
}
.game-blocks {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
  padding: 10px;
  background-color: #ffeb3b;
}
@media (max-width: 992px) {
  .game-blocks {
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  }
}
@media (max-width: 768px) {
  .game-blocks {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  }
}
@media (max-width: 500px) {
  .game-blocks {
    grid-template-columns: repeat(auto-fill, minmax(75px, 1fr));
  }
}
@media (max-width: 450px) {
  .game-blocks {
    grid-template-columns: repeat(auto-fill, minmax(52px, 1fr));
  }
}
.game-blocks .game-block {
  height: 150px;
  position: relative;
  cursor: pointer;
  transition: transform .5s;
  transform-style: preserve-3d;
}
@media (max-width: 550px) {
  .game-blocks .game-block {
    height: 80px;
  }
}
@media (max-width: 415px) {
  .game-blocks .game-block {
    height: 65px;
  }
}
.game-blocks .game-block.flipped,
.game-blocks .game-block.matched {
  -webkit-transform: rotateY(180deg);
  -moz-transform: rotateY(180deg);
  transform: rotateY(180deg);
  pointer-events: none;
}
.game-blocks .game-block .front {
  background-color: #00bcd4;
}
.game-blocks .game-block .front::after {
  content: '!';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 50px;
  font-weight: bold;
}
.game-blocks .game-block .back {
  transform: rotateY(180deg);
  background-color: #FFFEFE;
}
.game-blocks .game-block .face {
  position: absolute;
  width: 100%;
  height: 100%;
  text-align: center;
  backface-visibility: hidden;
  border: 5px solid #5A332C;
}
.game-blocks .game-block .back img {
  max-width: 100%;
}
.prevent-click {
  pointer-events: none;
}