div {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 50px;
}
.head {
    width: 300px;
    height: 200px;
    object-fit: cover;
    border: 2px solid #ccc;
    display: none; 
}
.visible {
    display: block;
}
button {
    font-size: 20px;
    padding: 10px 20px;
    cursor: pointer;
}