body {
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f9f9f9;
}
.container img {
    max-width: 100%;
    height: auto;
    cursor: pointer;
    border: none;
    display: block;
}