body {
    text-align: center;
    margin: 0;
    padding: 0;
    background: linear-gradient(to bottom, black, rgb(9, 77, 29));
    box-shadow: inset 0 0 100px;
    overflow: hidden;
  }
  
  #game-intro {
    padding: 0px 0px;
    height: 82vh;
   
  }
  
  #game-container {
    font-family: 'Nosifer';
    font-size: 20px;
    display: flex;
    width: 100%;
    padding: 0px 0px;
    justify-content: center;
    color: #f2f2f2; 
    text-shadow: 
        4px 4px 10px rgba(0, 0, 0, 0.9),  
        -2px -2px 5px rgba(255, 0, 0, 3); 
  }
  
  #game-screen {
    display: none;
    width: 1675px; 
    height: 700px;
    overflow: hidden;
    margin: 0;
    position: relative;
    background-image: url(../images/zombie_bg.png);
    background-size: cover;
    padding: 0px;
    overflow: hidden;
  
  }
  
  
  #game-end {
    display: none;
    height: 100vh;
    padding: 0px 0px;
    overflow: hidden;
  }
  
  #game-intro p {
  
    font-family: 'Nosifer';
    font-size: 20px;
    color: #f2f2f2; 
    text-shadow: 
        4px 4px 10px rgba(0, 0, 0, 0.9),  
        -2px -2px 5px rgba(255, 0, 0, 3); 

  }

  #restart-button {
    margin: 60px;
    font-size: 30px;
    font-family: 'Creepster'; 
    background-color: #521414; 
    color: #ffffff;
    padding: 15px 40px;
    border: 3px solid #102a21; 
    border-radius: 5px;
    box-shadow: 0 0 15px rgba(215, 40, 40, 0.8);
    text-shadow: 2px 2px 5px black;
    cursor: pointer;
    transition: 0.3s;
  }

  #restart-button:hover {
    box-shadow: 0 0 20px #00ff00, 0 0 40px #007700;
    text-shadow: 0 0 10px #ede9e9; 
    transform: rotate(-2deg) scale(1.05); 
}
  
  .logo-img {
    width: 350px;
  }
  
  .keys-img {
    width: 120px;
  }

  .keySpace-img {
    width:120px;
  }

  .gameOver-img {
    width: 500px;
    margin: 40px 0px 0px 0px;
  }
  
  #start-button {
        font-size: 30px;
        font-family: 'Creepster'; 
        background-color: #521414; 
        color: #ffffff;
        padding: 15px 40px;
        border: 3px solid #102a21; 
        border-radius: 5px;
        box-shadow: 0 0 15px rgba(215, 40, 40, 0.8);
        text-shadow: 2px 2px 5px black;
        cursor: pointer;
        transition: 0.3s;
    }
    
    #start-button:hover {
        box-shadow: 0 0 20px #00ff00, 0 0 40px #007700;
        text-shadow: 0 0 10px #ede9e9; 
        transform: rotate(-2deg) scale(1.05); 
    }

  #play-music-button {
    font-size: 15px;
        font-family: 'Creepster'; 
        background-color: #521414; 
        color: #ffffff;
        padding: 10px 15px;
        border: 3px solid #102a21; 
        border-radius: 0px;
        box-shadow: 0 0 15px rgba(215, 40, 40, 0.8);
        text-shadow: 2px 2px 5px black;
        cursor: pointer;
        transition: 0.3s;
        position: absolute; 
        top: 15px; 
        left: 10px;
    }

    #play-music-button:hover {
      box-shadow: 0 0 20px #00ff00, 0 0 40px #007700;
      text-shadow: 0 0 10px #ede9e9; 
      transform: rotate(-2deg) scale(1.05); 
  }