img {
  width: auto;
}
.exchange-type {
  font-size: 1.7em;
  color: #808080;
  vertical-align: middle;
}
.exchange-value {
  font-size: 4em;
  padding: 0 0.2em;
  vertical-align: middle;
}
.footer {
  background-color: #f8f9fa;
  color: #7c7c7d;
  padding: 10px;
}
.footer a {
  color: #181819;
}
.jumbotron {
  margin-bottom: 0 !important;
}
.documentation {
  margin-top: 2em;
}
.no-lead {
  color: #999999;
}

@media only screen and (max-width: 600px) {
  .display-4 {
    font-size: 2.1rem;
  }
}