body {
    font-family: Arial, sans-serif;
    text-align: center;
    margin: 0;
    padding: 0;
}

header, footer {
    background: #333;
    color: white;
    padding: 15px;
}

main {
    min-height: 60vh;
    padding: 20px;
}

#slide-container {
    border: 2px solid #ddd;
    padding: 20px;
    min-height: 200px;
    text-align: left;
    max-width: 800px;
    margin: auto;
    margin-bottom: 100px;
}

footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 20px;
}

button {
    padding: 10px;
    cursor: pointer;
}