html, body {
    height: 100%;
    margin: 0;
}

body {
    font-family: Arial, sans-serif;
    background-color: #2c2c2c;
    color: #f0f0f0;
    padding-top: 80px;   /* hely a headernek */
    padding-bottom: 50px; /* hely a footernek */
}

header {
    background-color: #cc0000;
    padding: 20px;
    text-align: center;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
}

header h1 {
    margin: 0;
    font-size: 2.5em;
}

main {
    padding: 40px;
    text-align: center;
}

footer {
    background-color: #1a1a1a;
    padding: 10px;
    text-align: center;
    font-size: 0.9em;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
}

.card {
    background-color: #444;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    margin: 40px 60px;
    border-radius: 8px;
}

.card img {
    max-width: 1000px;
    border-radius: 6px;
}

.card-text {
    flex: 1;
    padding-right: 20px;
}

.card.text-only {
    display: block;
}

pre {
    background-color: #000;
    color: #fff;
    padding: 10px;
    border-radius: 6px;
    overflow-x: auto;
    font-family: "Courier New", Courier, monospace;
    margin-top: 10px;
    margin-bottom: 20px;
}