.picture-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
}

.picture-of-the-day {
    max-width: 500px;
    max-height: 500px;
    width: 100%;
    height: auto;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    border-radius: 8px;
}

.navigation-buttons {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
}

.nav-left {
    left: 20px;
}

.nav-right {
    right: 20px;
}

@media (max-width: 768px) {
    .navigation-buttons {
        position: static;
        transform: none;
        margin: 1rem 0;
    }
}

.footer {
    margin-top: 2rem;
}