.d3-utils .d3-default {
    fill: #337ab7; /* Bootstrap success=#5cb85c, info=#5bc0de */
}
.d3-utils .d3-warning {
    fill: #f0ad4e; /* Bootstrap warning=#f0ad4e, danger=#d9534f */
}
.d3-utils .d3-path {
    stroke: #337ab7;
    stroke-width: 2;
}
.d3-utils .d3-tooltip {
    /* Only used by d3-graph directive */
    background-color: #ffffff;
    border-radius: 5px;
    box-shadow: 4px 4px 10px rgba(0,0,0,0.5);
    padding: 5px;
}
.d3-utils path, .d3-utils line, .d3-axis path, .d3-axis line {
    stroke: #337ab7;
}
.d3-utils .d3-axis text {
    font-family: sans-serif;
    font-size: 10px;
}