body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #222;
  }
  
  .container {
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .game-container {
    width: 400px;
    height: 400px;
    background-color: black;
    position: relative;
  }
  
  .snake, .food {
    width: 20px;
    height: 20px;
    position: absolute;
  }
  
  .food {
    background-color: red;
    border-radius: 50px;
  }
  
  .snake {
    background-color: rgb(0, 255, 0);
    border-radius: 5px;
  }