body {
  font-family: 'Roboto', sans-serif;
  padding: 15px 25px;
}

h1 {
  font-size: 20px;
}

h4 {
  font-weight: normal;
}

.units {
  margin-left: -50px;
  font-size: 13px;
}

svg {
  overflow: visible;
  display: block;
}

.container {
  display: block;
  width: 900px;
}

.chart {
  margin: 50px;
}

.buttonPanel {
  float: right;
  margin-right: 50px;
}

.line {
  fill: none;
}

.nuclear {
  stroke: #ff4d4d;
  stroke-width: 2px;
}

.renewable {
  stroke: #868613;
  stroke-width: 2px;
}

button {
  margin: 0 3px;
  border: none;
  height: 30px;
  width: 110px;
  background: #999;
  color: #fff;
  font-weight: bold;
  font-size: 11px;
  border-radius: 5px;
  box-shadow: 2px 4px 5px #e6f2ff;
}

.yearLines {
  stroke-dasharray: 2, 5;
  opacity: 0.4;
}

.tick:nth-of-type(18) {
  opacity: 0;
}

.tooltip1,
.tooltip2 {
  font-style: italic;
  font-size: 13px;
  color: #444;
  background: #fff;
  border: 1px solid #ccc;
  border-radius: 7px;
  padding: 10px;
  text-align: center;
  position: absolute;
}

.tooltip1 {
  height: 35px;
  width: 225px;
  left: 295px;
  top: 185px;
}

.tooltip2 {
  height: 50px;
  width: 270px;
  left: 560px;
  top: 370px;
}