style.css

* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
  font-family: sans-serif;
}

html,
body {
  height: 100%;
}

body {
  padding: 16px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

h1 {
  text-align: center;
}

#status {
  min-height: 16px;
  margin: 8px 0;
  text-align: center;
}

button {
  transition: all 0.25s;
  background: rgba(40, 44, 52, 0.05);
  border: 1px solid transparent;
  border-radius: 6px;
  color: #3080d0;
  text-decoration: none !important;
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  cursor: pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none;
}

button:disabled {
  background: rgba(40, 44, 52, 0.1);
  color: #a0a0a0;
  cursor: not-allowed;
}

button:hover {
  background: rgba(40, 44, 52, 0.1);
}

p {
  text-align: center;
  font-size: 12px;
  max-width: 600px;
  padding: 8px;
}

#chart-container {
  position: relative;
  height: 60vh;
  width: min(90vw, 800px);
  padding-right: 50px;
  margin-bottom: 10px;
}

details {
  position: fixed;
  background-color: white;
  right: 0;
  top: 0;
  padding: 16px;
}

summary {
  text-align: right;
}

hr {
  margin: 8px 0;
}