body {
    margin: 0;
    padding: 0;
    background-color: #000;
    overflow: hidden; 
    touch-action: none; 
    font-family: 'Courier New', Courier, monospace; /* Hacker style font */
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

#game-container {
    width: 100%;
    height: 100%;
}

#start-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #00ff00; /* Matrix Green */
    z-index: 100;
    text-align: center;
}

#start-btn {
    padding: 15px 30px;
    font-size: 20px;
    background-color: #00ff00;
    color: black;
    border: none;
    border-radius: 0px;
    cursor: pointer;
    margin-top: 20px;
    font-weight: bold;
    text-transform: uppercase;
}