body {
  font-family: 'Roboto', sans-serif;
  text-align: center;
  background-color: darkgray;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

.container {
  max-width: 100%;
  margin: 20px;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  background-color: #404040;
}

h1 {
  font-size: 36px;
  margin: 20px 0;
  color: white;
}

#game-container {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}

.card {
  background-color: #fff;
  border: 2px solid #ddd;
  border-radius: 10px;
  padding: 20px;
  font-size: 18px;
  cursor: pointer;
  user-select: none;
  text-align: center;
  width: 150px;
  height: 150px;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: transform 0.3s ease-in-out;
}

.card:hover {
  transform: scale(1.05);
}

.matched {
  background-color: #66bb6a;
}

button {
  padding: 10px 20px;
  font-size: 16px;
  background-color: #007bff;
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  margin: 20px;
  display: inline-block;
}
#reset{
  display: none;
}

#function-display {
  background-color: black;
  color: #fff;
  font-size: 18px;
  padding: 10px;
  border-radius: 5px;
  margin-top: 10px;
  text-align: center;
  display: none;
}

#function-display.show {
  display: block;
}