#canvasTic1 {
    display: block; 
    margin: 7% auto; 
    max-width: 70vw; 
    max-height: 70vh; 
    box-shadow: 0 0 15px rgba(0,0,0,0.5); 
}

#nGButton {
    position: absolute;
    top: 58%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 10px 20px;
    font-size: 18px;
    color: #FFF;
    background-color: #007bff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    display: none; 
}