cssOMS/chart/chart_line.scss

svg .axis {
    font-size: 12px;
}

svg .title {
    font-size: 25px;
}

svg .subtitle {
    font-size: 12px;
}

svg .footer {
    font-size: 12px;
}

svg .axis path,
svg .axis line {
    fill: none;
    stroke: #000;
    shape-rendering: crispEdges;
}

svg .line {
    fill: none;
    stroke: steelblue;
}

svg .tick > line {
    opacity: 1;
}

svg rect.zoom-panel {
    cursor: move;
    fill: none;
    pointer-events: all;
}

svg .dot {
    stroke-width: 2px;
    fill: #fff;
}

.dataPoint:hover {
    cursor: pointer;
}

svg .dataPoint-dot {
    stroke-width: 3px;
    fill: #fff;
}

svg .dot:hover {
    stroke-width: 3px;
    fill: #000;

    cursor: pointer;
}

.grid .tick {
    stroke: lightgrey;
    stroke-opacity: 0.7;
    shape-rendering: crispEdges;
}
.grid path {
    stroke-width: 0;
}

div.charttooltip {
    color: #fff;
    position: absolute;
    top: 0;
    left: 0;
    text-align: left;
    padding: 5px;
    font: 12px sans-serif;
    background: #363636;
    border: 0px;
    border-radius: 3px;
    pointer-events: none;
}