.background {
  fill: #eee;
}

line {
  stroke: #fff;
  stroke-opacity: 0.5;
  shape-rendering: crispEdges;
}

textarea {
  padding: 2px;
  width: 714px;
  height: 360px;
}

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

.axis text {
    font-family: sans-serif;
    font-size: 11px;
}

.tab-content { margin-top: 10px; }

#cy {
  width: 100%;
  height: 100%;
  position: absolute;
}

Move css style into its own file
Move css style into its own file
