* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
main {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.main-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}
.main-content img {
    max-width: 90%;
    height: auto;
    border: 2px solid #ccc;
    border-radius: 8px;
    transition: transform 0.3s;
}