style.css

h1 {
  text-align: center;
  display: block;
}

#duplicate-button {
  margin: auto;
  color: #fff;
  background: #1565c0;
  border-radius: 100vh;
}

.js-plotly-plot .plotly {
  padding-top: 30px !important;
  background-color: white;
}

.js-plotly-plot .plotly .modebar {
  top: -30px !important;
  right: 10px !important;
}

.modebar-group {
  display: flex;
  flex-direction: row;
  align-items: center;
}