body, table {font-family: Helvetica;}
.node {
  border: solid 1px white;
  font: 10px sans-serif;
  line-height: 12px;
  overflow: hidden;
  position: absolute;
  text-indent: 2px;
}
.c3-line, .c3-focused {stroke-width: 3px !important;}
.c3-bar {stroke: white !important; stroke-width: 1;}
.c3 text { font-size: 12px; color: grey;}
.tick line {stroke: white;}
.c3-axis path {stroke: grey;}
.c3-circle { opacity: 1 !important; }
.c3-xgrid-focus {visibility: hidden !important;}