.d3-custom-chart .link {
    fill: none;
    stroke: #555;
    stroke-opacity: 0.4;
    stroke-width: 1px;
}
.d3-custom-chart text {
    /* font-family: "Arial Black", Gadget, sans-serif; */
    font-family: 'NanumSquare', sans-serif;
    fill: black;
    font-weight: bold;
    font-size: 17px
}

.d3-custom-chart .xAxis .tick text{
    fill: black;
}
.d3-custom-chart .grid .tick line{
    stroke: grey;
    stroke-dasharray: 5, 10;
    opacity: 0.7;
}
.d3-custom-chart .grid path{
    stroke-width: 0;
}

.d3-custom-chart .node circle {
    fill: #999;
}
.d3-custom-chart .node--internal circle {
    fill: #555;
}
.d3-custom-chart .node--internal text {
    font-size: 18px;
    text-shadow: 0 2px 0 #fff, 0 -2px 0 #fff, 2px 0 0 #fff, -2px 0 0 #fff;
}
.d3-custom-chart .node--leaf text {
    fill: black;
}
.d3-custom-chart .ballG text {
    fill: white;
}

.d3-custom-chart .shadow {
    -webkit-filter: drop-shadow( -1.5px -1.5px 1.5px #999 );
    filter: drop-shadow( -1.5px -1.5px 1.5px #999 );
}