#d3-gen-art-container {
    width: 100%;
    max-width: 600px;
    margin: auto;
}

#d3-gen-art {
    width: 100%;
}

#d3-gen-art-controls p {
    width: calc(50% - 5px);
    display: inline-block;
}

#viz-type-2 {
    margin-left: 10px;
}