body{
    font-family:'Courier New', Courier, monospace;
    margin: 0px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

button {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1000;
    padding: 10px 20px;
    
    font-family: Arial, sans-serif;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 2px;
    
    background-color: #000000;
    color: #00ff00;
    border: 2px solid #00ff00;
    
    cursor: pointer;
    box-shadow: 0 0 10px #00ff00, 
                0 0 20px #00ff00, 
                0 0 30px #00ff00;
    text-shadow: 0 0 5px #00ff00;
    transition: all 0.3s ease;
}

button:hover {
    background-color: #00ff00;
    color: #000000;
    box-shadow: 0 0 15px #00ff00, 
                0 0 25px #00ff00, 
                0 0 35px #00ff00;
}