.content-wrapper {
  text-align: center;
}

#game-container canvas {
  display: block;
  margin: 0 auto;
}

.button-container {
  margin-top: 10px;
  display: none;
  opacity: 0; /* start transparent */
  justify-content: center;
  gap: 50px;
  transition: opacity 0.5s ease;
}


.game-button {
  width: 200px;
  height: 40px;
  background-color: #3c6e47;
  color: white;
  font-size: 18px;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: background-color 0.2s;
}

.game-button:hover {
  background-color: #4b8858;
}

#username-prompt {
  font-family: Arial, sans-serif;
  font-size: 18px;
  color: #cefdd9;
  margin-bottom: 20px;
}

#username-label {
  margin-right: 10px;
}

#username-input {
  padding: 8px 12px;
  font-size: 18px;
  border: none;
  border-radius: 10px;
  outline: none;
  margin-right: 10px;
}

#start-button {
  padding: 8px 20px;
  font-size: 18px;
  background-color: #3c6e47;
  color: white;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: background-color 0.2s;
}

#start-button:hover {
  background-color: #4b8858;
}