* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: rgba(0, 0, 0, 0.1);
    align-items: center;
}


.navbar {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: rgba(117, 112, 112, 0.9);
    position: fixed;
    top: 0;
    z-index: 1000;
    width: 100%;
    height: 5%;
    margin-bottom: 20px;
}

.navbar ul {
    display: flex;
    list-style: none;
    margin: 20px 0px;

}

.navbar ul li {
    font-family: century;
    font-size: 1rem;
}

.navbar ul li a {
    text-decoration: none;
    color: rgb(26, 20, 20);
    padding: 8px 25px;
    transition: all 0.5s ease;
}

.navbar ul li a:hover {
    background-color: white;
    color: black;
    box-shadow: 0 0 10px white;
}

#animal{
    padding: 20px;
    margin-top: 20px;
}

#flowers {
    padding: 20px;
    margin-top: 20px;
}

#birds{
    padding: 20px;
    margin-top: 20px;
}

#nature{
    padding: 20px;
    margin-top: 20px;
}

.gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-top: 70px;
}

.thumbnail {
    width: calc(25% - 10px);
    cursor: pointer;
    overflow: hidden;
    border-radius: 10px;
    transition: transform 0.3s ease;
    position: relative;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.thumbnail img {
    width: 100%;
    height: 200px;
    object-fit: cover; 
    border-radius: 10px;
}

.thumbnail:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}



.lightbox {
    display: none;
    position: fixed;
    z-index: 999;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    justify-content: center;
    align-items: center;
    text-align: center;
}

.lightbox img {
    max-width: 80%;
    max-height: 80%;
    border: 15px solid white;
    border-radius: 15px;
    margin-bottom: 20px;
}

.description {
    color: rgb(232, 248, 11);
    font-size: 25px;
    margin-top: 10px;
    font-weight: 100px;
}

.close {
    position: absolute;
    top: 30px;
    right: 30px;
    color: red;
    font-size: 40px;
    cursor: pointer;
}

.prev, .next {
    position: absolute;
    top: 50%;
    width: auto;
    padding: 16px;
    color: rgb(224, 208, 208);
    font-weight: bold;
    font-size: 20px;
    transition: 0.3s;
    user-select: none;
    cursor: pointer;
    text-align: center;
}

.prev {
    left: 40px;
}

.next {
    right: 40px;
}

.prev:hover, .next:hover {
    color: #ccc;
}