index.css

html {
  margin: 0;
  height: 100%;
  box-sizing: border-box;
  background: rgb(220, 220, 220);
}

body {
  height: 100%;
  display: flex;
  justify-content: center;
  align-content: center;
  align-items: center;
  margin: 0;
}

#game {
  width: 340px;
  height: 392px;
}

#game-field {
  position: relative;
}

#controls {
  padding-top: 1px;
  box-sizing: border-box;
  width: 340px;
  height: 60px;
  background: black;
  border: 10px solid black;
  border-bottom: 5px solid black;
  border-radius: 10px;
  border-bottom-left-radius: 0px;
  border-bottom-right-radius: 0px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

#board {
  box-sizing: border-box;
  width: 340px;
  height: 332px;
  background: black;
  display: flex;
  flex-wrap: wrap;
  border: 10px solid black;
  border-top: 5px solid black;
  border-radius: 10px;
  border-top-left-radius: 0px;
  border-top-right-radius: 0px;
  box-sizing: border-box;
}

.square {
  box-sizing: border-box;
  width: 40px;
  height: 40px;
  background: rgb(70, 180, 70);
  border: 1px solid black;
  border-radius: 3px;
  margin-top: 0;
  margin-bottom: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  align-content: center;
  position: relative;
}

.tile {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  box-shadow: 0 0 12px 1px rgb(20, 20, 20);
  transform-style: preserve-3d;
  transition: .5s;
}

.tile-black {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: black;
  backface-visibility: hidden;
}

.back {
  transform: rotateY(180deg);
}

.tile-white {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: white;
  backface-visibility: hidden;
}

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

.valid {

}

.valid:hover {
  border: 2px solid white;
  background: rgb(70, 180, 70);
}

.score-block {
  width: 30%;
  background: black;
  color: white;
  padding: 6px;
  height: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 2px solid white;
  border-radius: 10px;
}

.score-block p {
  margin-bottom: 4px;
  margin-top: -1px;
  font-family: sans-serif;
  font-weight: bold;
}

.score-field {
  height: 30px;
  width: 60px;
  color: white;
  border: 2px solid white;
  border-radius: 5px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.score-field p {
  margin: 0;
  padding: 0;
}

#game-button {
  border: 2px solid white;
  background: black;
  color: white;
  padding: 6px;
  height: 40px;
  width: 21%;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  font-family: sans-serif;
  font-weight: bold;
  font-size: 1.2em;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  align-content: center;
}

#game-button:hover, #restart:hover {
  cursor: pointer;
  color: rgb(70, 180, 70);
  border-color: rgb(70, 180, 70);
}

.game-results {
  display: none;
}

#game-results-text {
  color: white;
  font-family: sans-serif;
  font-weight: bold;
  margin-bottom: 20px;
}

.game-results-active {
  color: white;
  z-index: 5;
  width: 300px;
  height: 120px;
  background: black;
  border: 2px solid white;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-content: center;
  align-items: center;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

#no-moves {
  height: 80px;
  width: 250px;
  background: black;
  display: none;
  justify-content: center;
  align-items: center;
  border: 3px solid white;
  border-radius: 10px;
  color: white;
  font-family: sans-serif;
  font-weight: bold;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

#restart {
  font-family: sans-serif;
  font-weight: bold;
  border: 2px solid white;
  border-radius: 10px;
  height: 40px;
  width: 100px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 10px;
}



@media (min-height: 530px) {
  #game {
    width: 420px;
    height: 472px;
  }

  #controls {
    width: 420px;
  }

  #board {
    width: 420px;
    height: 412px;
  }

  .square {
    width: 50px;
    height: 50px;
  }

  .tile {
    width: 34px;
    height: 34px;
  }

  .score-block {
    width: 32%;
  }

}


@media (min-height: 630px) {

  #game {
    width: 500px;
    height: 552px;
  }

  #controls {
    width: 500px;
  }

  #board {
    width: 500px;
    height: 492px;
  }

  .square {
    width: 60px;
    height: 60px;
  }

  .tile {
    width: 44px;
    height: 44px;
  }

  .score-block {
    width: 33%;
  }

}