.hidden {
  display: none;
}
body {
  font: 10px sans-serif;
}
.axis path,
.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}
.line {
  fill: none;
  stroke-width: 2px;
}
.annualPaths {
  stroke-width: 1px;
  fill: none;
}

/*
.residual {
  stroke: #000;
  opacity: 0.3;
  stroke-width: 2px;
}
.seasonal {
  stroke: #f00;
  opacity: 0.5;
  stroke-width: 2px;
}
*/