* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: 'Georgia', serif;
    line-height: 1.6;
    color: #333;
    background: #fafafa;
}
header {
    background: #2c3e50;
    color: white;
    padding: 1rem;
}
header nav a {
    color: white;
    margin-right: 1.5rem;
    text-decoration: none;
}
header nav a:hover {
    text-decoration: underline;
}
main {
    max-width: 900px;
    margin: 2rem auto;
    padding: 0 1rem;
}
article {
    background: white;
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
footer {
    text-align: center;
    padding: 2rem;
    background: #34495e;
    color: white;
    margin-top: 2rem;
}
footer a {
    color: #ecf0f1;
}