styles.css

body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
  }
  
  #game-area {
    display: grid;
    grid-template-columns: repeat(20, 1fr);
    grid-template-rows: repeat(20, 1fr);
    gap: 1px;
    background-color: #fff;
    border: 2px solid #000;
    padding: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    border-radius: 10px;
  }
  
  .cell {
    width: calc(400px / 20 - 2px);
    height: calc(400px / 20 - 2px);
    background-color: #fff;
    box-sizing: border-box;
  }
  
  .snake {
    background: linear-gradient(45deg, #00FF00, #019701);
    border-radius: 50%; 
  }
  
  .head {
    background-color: #011f01;
    border: 2px solid #fff;
  }
  
  .food {
    background-color: #f00;
    border-radius: 50%;
    animation: pulse 1s infinite alternate; 
  }
  
  @keyframes pulse {
    from {
      transform: scale(1);
    }
    to {
      transform: scale(1.1);
    }
  }
  
  #start-button {
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    outline: none;
    font-size: 1.2rem;
    margin-top: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s ease;
  }
  
.start,
.restart {
  padding: 10px 20px;
  background-color: #4CAF50;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  outline: none;
  font-size: 1.2rem;
  margin-top: 20px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: background-color 0.3s ease;
}

.start:hover,
.restart:hover {
  background-color: #45a049;
}

#game-over-message {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
  text-align: center;
  font-size: 1.5rem;
  display: none; 
}

#game-over-message p {
  margin-bottom: 20px;
}

  
  #game-over-message button {
    padding: 10px 20px;
    background-color: #f44336;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    outline: none;
    font-size: 1.2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s ease;
  }
  
  #game-over-message button:hover {
    background-color: #d32f2f;
  }