body {
    font-family: Arial, sans-serif;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}
h1 {
    text-align: center;
    position: relative;
    margin-bottom: 30px;
}
h1::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -10px;
    height: 1px;
    background-color: #000;
}
.gallery {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 20px;
}
.item {
    text-align: center;
    width: 30%;
}
.item img {
    width: 350px;
    height: 350px;
    object-fit: cover;
    border: 1px solid #ddd;
    border-radius: 4px;
}
.item p {
    margin-top: 10px;
}
.back-btn {
    position: absolute;
    left: 20px;
    top: 20px;
    text-decoration: none;
    color: #000;
    font-size: 18px;
}
.back-btn:hover {
    text-decoration: none;
}