datalets/graph-datalet/static/css/graphStyle.css

circle{
    stroke-width: 1.5px;
}

.text {
    font-family: 'Roboto', sans-serif;
    visibility: hidden
}

.node {
    cursor: pointer;
    fill: #fff;
    stroke: #FFFFFF;
    stroke-width: 2.5px
    z-index: 10;
}

.node.fixed {
    cursor: pointer;
    stroke-width: 6px
}

.link {
    stroke: #d0d0d0;
    stroke-width: 1.0px
}

g foreignObject {
    z-index: 100;
    position: relative;
    -webkit-transition: opacity .5s ease-in-out;
    -moz-transition: opacity .5s ease-in-out;
    -ms-transition: opacity .5s ease-in-out;
    -o-transition: opacity .5s ease-in-out;
    transition: opacity .5s ease-in-out
}

g foreignObject div {
    font-family: 'Roboto', sans-serif;
    display: inline-block;
    font-size: 8px;
    text-decoration: none;
    padding: 0px
}

g foreignObject a:hover {
    background-color: #f4f4f4;
    text-decoration: none
}

.r {
    color: #c82528
}

.p {
    color: #662d91
}

.y {
    color: #f69a43
}

.g {
    color: #519c76
}

.header {
    text-align: center
}

.n1 {
    font-size: 8em;
    height: 120px;
    color: #595a5a;
    letter-spacing: -4px;
    line-height: 1
}

.n1 span {
    color: #c82528;
    font-weight: 700
}

.n2 {
    font-size: 1.5em;
    line-height: 1
}

.n2 span {
    display: block
}

span.n4 {
    font-size: .8em;
    padding-top: 10px;
    line-height: 1.3
}