body {
    margin: 0;
    font-family: Arial, sans-serif;
    text-align: center;
    animation: fadeInPage 0.6s ease;
}

@keyframes fadeInPage {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

h1 {
    background: black;
    color: white;
    padding: 10px;
    margin: 0;
}

nav {
    background: black;
    padding: 5px;
}

nav a {
    color: white;
    margin: 0 10px;
    text-decoration: none;
}

nav a:hover {
    text-decoration: underline;
}

img {
    max-width: 100%;
    margin: 10px 0;
    transition: opacity 0.5s ease, transform 0.5s ease;
}

img.fade-in {
    opacity: 0;
    transform: scale(0.95);
}

img.fade-in.show {
    opacity: 1;
    transform: scale(1);
}

button {
    padding: 10px 20px;
    margin: 10px;
    background: lightblue;
    color: white;
    border: none;
    font-size: 16px;
    border-radius: 5px;
    transition: background 0.3s ease, transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
}

button:hover {
    background: dodgerblue;
    transform: scale(1.05);
}

button:active {
    transform: scale(0.95);
    box-shadow: 0 0 10px lightblue;
}

p {
    margin: 10px;
}