.main-container {
    max-height: 550px;
    margin: 1rem auto;
    max-width: 800px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#canvas {
    cursor: pointer;
    width: 100%;
    background-color: #e7fff7;
    border: 1px solid grey;
}

.image-container img {
    display: none;
}