html,body {
    min-height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
} 

svg{
    background-color: whitesmoke;
}

#canvas{
    min-width: 1000px;
    min-height: 600px;
}
#legend{
    min-height: 300px;
}

#tooltip {
    visibility: hidden;
}