index.css

body {
  font-family: Arial, Helvetica, sans-serif;
  background: url('/whack-a-mole/public/assets/mario-bg.jpg');
  background-repeat: no-repeat;
  background-size: cover;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  justify-content: center;
  align-items: center;
}

.game-wrapper {
  margin-top: 16px;
  height: 80vw;
  max-height: 540px;
  width: 80vw;
  max-width: 540px;
  display: flex;
  flex-wrap: wrap;
  background: url('/whack-a-mole/public/assets/box-bg.png');
  border: 4px solid white;
  border-radius: 12px;
  box-shadow: 3px 3px 8px 8px rgba(0, 0, 0, 0.15);
}

.game-wrapper.disabled {
  pointer-events: none;
}

.tile {
  width: calc(100% / 3);
  height: calc(100% / 3);
  min-width: calc(100% / 3);
  min-height: calc(100% / 3);
  background: url('/whack-a-mole/public/assets/pipe.png');
  background-size: contain;
  background-repeat: no-repeat;
  position: relative;
  display: flex;
  justify-content: center;
}

.tile div {
  position: absolute;
  width: 50%;
  top: 16px;
}

.tile div img {
  width: 100%;
  height: 100%;
  user-drag: none;
  -webkit-user-drag: none;
  user-select: none;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  cursor: pointer;
}

.hidden {
  display: none;
}

.buttons-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.buttons-wrapper button {
  outline: none;
  border: none;
  background: black;
  color: white;
  cursor: pointer;
  padding: 8px;
  border-radius: 6px;
  min-width: 90px;
}

.score {
  font-size: 1.2em;
  font-weight: 600;
  padding: 16px;
}

.best-score {
  font-size: 1.4em;
  font-weight: 600;
  padding-bottom: 8px;
}