body {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-family: Arial, sans-serif;
}

header {
    margin-bottom: 20px;
}

.container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.image {
    position: relative;
    cursor: pointer;
    border: 2px solid transparent;
}

.image img {
    width: 150px;
    height: 200px;
    object-fit: cover;
}

.image.selected {
    border-color: blue;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
}