body {
  background-color: rgb(35, 73, 75);
  margin: 0;
  padding: 0;
  height: 100vh;
}
ul.samples {
  list-style-type: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}
ul.samples > li {
  display: flex;
  flex-direction: row;
  justify-content: center;
}
.sample > canvas {
  border-radius: 10px;
}
.sample,
.code {
  background-color: cadetblue;
  border-radius: 10px;
  margin: 20px;
}
.sample {
  width: 360px;
  height: 360px;
}
.changed {
  opacity: 0.2;
}
.code {
  flex-grow: 3;
  background-color: rgb(169, 201, 202);
  color: #404040;
  font-family: 'Source Code Pro', 'Menlo', 'Courier New', Courier, monospace;
  font-size: 20px;
  line-height: 28px;
  height: 320px;
  padding: 20px;
  overflow: auto;
}