.d3-slopegraph svg {
  max-width: 100%;
}
.d3-slopegraph text {
  font-size: 14px;
}

text.label { fill: #444; }
text.label.start { text-anchor: end; }
line.slope { stroke: #444; stroke-width: 1; }

.missing text.label { display: none; }
.missing line.slope { display: none; }

.country:hover text.label {
  fill: #bb2629;
  font-weight: bold;
}
.country:hover line.slope {
  stroke: #bb2629;
  stroke-width: 2;
}