linechart.css

.tick > line{
  stroke: #ddd;
}
.domain {
  display:none;
}
.svg-container {
    display: inline-block;
    position: relative;
    width: 100%;
    padding-bottom: 100%; /* aspect ratio */
    vertical-align: top;
    overflow: hidden;
}
.svg-content-responsive {
    display: inline-block;
    position: absolute;
    top: 10px;
    left: 0;
}
.overlay {
  fill: none;
  pointer-events: all;
}

.tooltip {
  fill: rgba(255, 255, 255, 0.6);
}

.tooltip > rect {
  stroke: #000;
  stroke-width: 1px;
}

.tooltip .arrow {
  stroke: #999;
  stroke-width: 2px;
}