.game-container {
  display: grid;
  grid-column: 2/3;
  grid-row: 3/4;
  grid-template-columns: 50px repeat(4, 1fr);
  grid-template-rows: 50px repeat(4, 1fr);
  background-color: var(--background);
  color: #33363b;
  width: 800px;
  height: 570px;
  padding: 1rem;
  border-radius: 0.5rem;
  box-shadow: 3px 3px 5px rgba(0, 0, 0, 0.5);
  font-family: "Lato", sans-serif;
  font-size: 1rem;
  margin-top: 2rem;
  justify-items: center;
  align-items: center;
  align-self: center;
  justify-self: center;
}

.letter1 {
  grid-column: 2/3;
}

.letter2 {
  grid-column: 3/4;
}

.letter3 {
  grid-column: 4/5;
}

.letter4 {
  grid-column: 5/6;
}

.number1 {
  grid-column: 1/2;
  grid-row: 2/3;
}

.number2 {
  grid-column: 1/2;
  grid-row: 3/4;
}
.number3 {
  grid-column: 1/2;
  grid-row: 4/5;
}
.number4 {
  grid-column: 1/2;
  grid-row: 5/6;
}

.game-tiles {
  grid-row: 2/6;
  grid-column: 2/6;
  display: flex;
  flex: 1;
  background: transparent;
  width: 100%;
  height: 100%;
  flex-wrap: wrap;
  perspective: 1000px;
}

.showTiles {
  display: flex;
}

.card {
  width: 19%;
  height: 16%;
  background-color: var(--background);
  position: relative;
  border: none;
  margin: 2% 3%;
}

.memory-card {
  width: 100%;
  height: 100%;
  border-radius: 10px;
  position: relative;
  transform: scale(1);
  transform-style: preserve-3d;
  transition: transform 0.4s ease;

  /* &:focus {
      outline-style: none;
    } */
}

.memory-card:active {
  transform: scale(0.97) translateY(3px);
  transition: transform 0.2s ease-in;
}

.memory-card.flip {
  transform: rotateY(180deg);
}

img.image {
  height: 80%;
  width: 50%;
}

.imgBg {
  -o-object-fit: cover;
  object-fit: cover;
  width: 38%;
  margin-top: 0.5rem;
}

imgBg.smaller {
  width: 80%;
}

.front-face,
.back-face {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  font-size: 1rem;
  text-align: center;

  position: absolute;
  background: var(--foreground);
  transform: rotateX(0deg);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  border-radius: 3px;
  box-shadow: 3px 4px 4px rgba(0, 0, 0, 0.5);
}

.front-face {
  transform: rotateX(0deg);
  transform: rotateY(180deg);
  background-color: #fff;
  color: #33363b;
  line-height: 2rem;
}

@media only screen and(max-width: 1000px) {
  .game-container {
    width: 700px;
    height: 500px;
    padding-bottom: 4rem;
  }
}
@media only screen and(max-width: 600px) {
  .game-container {
    width: 550px;
    height: 400px;
    padding-bottom: 4rem;
    margin-top: 3rem;
    margin-left: 100px;
  }
}
@media only screen and(max-width: 500px) {
  .game-container {
    grid-template-columns: 30px repeat(4, 1fr);
    grid-template-rows: 30px repeat(4, 1fr);
    width: 360px;
    height: 300px;
    padding-bottom: 1rem;
  }
}

.introduction__set {
  background-color: #da291c;
  height: 30px;
  width: 80px;
  border-radius: 8px;
  margin: 0.8rem 2rem;
  color: white;
  text-transform: uppercase;
  border: none;
  box-shadow: 1px 1px 2px 2px rgba(94, 72, 72, 0.1);
}

.introduction__set:active {
  transform: translateY(2px);
  box-shadow: 1px 1px 2px 2px rgba(0, 0, 0, 0.1);
}

.introduction__set:hover {
  transform: scale(1.1);
}