body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
    text-align: center;
}

header {
    background-color: #1a237e;
    color: #fff;
    padding: 15px;
    font-size: 1.5em;
}

.slideshow-container {
    position: relative;
    max-width: 800px;
    margin: 40px auto;
    background: #fff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.slides {
    display: none;
}

.slides h2 {
    color: #1a237e;
}

/* Navigation buttons */
.prev, .next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    cursor: pointer;
    color: #1a237e;
    padding: 10px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 50%;
    user-select: none;
}

.prev {
    left: 10px;
}

.next {
    right: 10px;
}

.prev:hover, .next:hover {
    background: #1a237e;
    color: #fff;
}

/* Animation effect */
.fade {
    animation: fadeEffect 1s;
}

@keyframes fadeEffect {
    from { opacity: 0.4; }
    to { opacity: 1; }
}

footer {
    background-color: #1a237e;
    color: #fff;
    text-align: center;
    padding: 10px;
    position: relative;
    bottom: 0;
    width: 100%;
}