body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #000; 
    color: #fff; 
}

header {
    background-color: #000;
    color: red; 
    padding: 20px;
    text-align: center;
}

h1 {
    margin: 0;
    font-size: 4em; 
}

section {
    padding: 20px;
    max-width: 900px;
    margin: 0 auto;
}

h2 {
    font-size: 2.5em;
    text-align: center;
    color: yellow; 
    margin-bottom: 30px;
}

article {
    background-color: #000; 
    padding: 20px;
    margin: 20px 0;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

h3 {
    font-size: 2em;
    color: #fff; 
}

p {
    font-size: 1.2em;
    line-height: 1.6;
    text-align: justify;
    color: #fff; 
}