body{
    background-color: whitesmoke;
    font-family: sans-serif;
    font-size: small;
}

h3{
    margin: auto;
    width: 100%;
    text-align: center;
    margin-bottom: 1em;
}

#formulaire{
    margin: auto;
    width: 30em;
    text-align: left;
    margin-bottom: 1em;    
}

input{
    width: 5em;;
}

#monCanvas{
    display: block;    
    margin: auto;
    width: 600px;    
}
@media (max-width: 600px) { 
    #monCanvas{
        width: 100%;
    }    
}