body {
  background-color: #f2f2f2;
  margin: 0;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: Helvetica, Arial, sans-serif;
}

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

.main-title {
  font-size: 4em;
  margin-bottom: 60px;
  color: black;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.nav-buttons {
  display: flex;
  justify-content: center;
  gap: 100px;
}

.nav-link {
  font-size: 1.5em;
  text-decoration: none;
  padding: 10px 30px;
  border: 2px solid;
  transition: all 0.3s ease;
  font-family: Helvetica, Arial, sans-serif;
}

.perception-btn {
  color: #007BFF;
  border-color: #007BFF;
}

.perception-btn:hover {
  background-color: #007BFF;
  color: white;
}

.memory-btn {
  color: #CC0000;
  border-color: #CC0000;
}

.memory-btn:hover {
  background-color: #CC0000;
  color: white;
}