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

h1{
    font-size: 2rem;
    text-align: center;
    padding: 30px;
}

div{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

div img{
    max-width: 100%;
    height: auto;
    object-fit: cover;
}