* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background-color: #f4f4f9;
    color: #333;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

header {
    text-align: center;
    padding: 20px;
}

header h1 {
    font-size: 2.5rem;
    color: #2e3b4e;
}

header hr {
    width: 60%;
    margin: 10px auto;
    border: 0;
    height: 2px;
    background: #00aaff;
}

main {
    text-align: center;
    margin-top: 20px;
    max-width: 800px;
    padding: 20px;
    background: #fff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
}

main img {
    border-radius: 50%;
    margin-bottom: 20px;
}

main article {
    font-size: 1.1rem;
    line-height: 1.6;
}

main article big {
    font-size: 1.3rem;
    color: #00aaff;
    margin-bottom: 10px;
    display: block;
}

footer {
    text-align: center;
    margin-top: 20px;
    font-size: 0.9rem;
    color: #777;
}

footer small {
    display: block;
    margin-bottom: 10px;
    color: #555;
}

footer a {
    display: inline-block;
    margin: 0 10px;
    text-decoration: none;
    color: inherit;
}

footer a img {
    height: 30px;
    width: 30px;
    transition: transform 0.3s ease;
}

footer a img:hover {
    transform: scale(1.1);
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    main article {
        font-size: 1rem;
    }

    footer {
        font-size: 0.8rem;
    }
}