body {
    background-color: #000000;
    color: #FFFFFF;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 1.1rem; 
    margin: 0 auto;
    padding: 20px;
    width: 800px;
}

h1, h2, h3 {
    font-weight: 700;
    line-height: 1.2;
    margin-top: 2.5rem;
}

h1 {
    font-size: 2.8rem;
    color: #00FF00;
    border-bottom: 2px solid #333;
    padding-bottom: 15px;
}

h2 {
    font-size: 2rem;
    color: #F0F0F0; 
}

h3 {
    font-size: 1.4rem;
    color: #AAAAAA;
    font-style: italic;
    margin-top: 1.5rem;
}

p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
    text-shadow: 0 0 1px rgba(255, 255, 255, 0.1); 
}

a {
    color: #00FFFF;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
    color: #33FFFF;
}