body { 
    font-family: sans-serif; 
    text-align: center; 
    padding: 20px; 
}

canvas { 
    max-width: 100%; 
    margin-top: 20px; 
    border: 1px solid #ccc; 
}
        
.controles { 
    margin: 20px 0; 
}

button { 
    padding: 10px 20px; 
    cursor: pointer; 
    background: #007bff; 
    color: white; 
    border: none;
    border-radius: 5px; 
}
        
button:hover { 
    background: #0056b3; 
}