.container {
    position: relative;
}

canvas {
    width: 100%;
    height: 100vh;
}

.input-button {
    position: absolute;
    bottom: 20px;
    right: 20px;
    z-index: 10;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    width: 80%;
}