.playground {
  margin: 2rem;
}
.playground__areas {
  display: flex;
  gap: .75rem;
}
.playground__area {
  flex: 1 1 0%;
}
@media screen and (width < 760px) {
  .playground__areas {
    flex-wrap: wrap;
  }
  .playground__area {
    flex-basis: 100%;
  }
}
#editor, #output {
  width: 100%;
  height: 600px;
  border: 1px solid grey;
}
code {
  background-color: #eee;
  padding: .125rem .25rem;
  border-radius: .25rem;
}

#prod-toggle {
  margin-bottom: 1rem;
  min-width: 4rem;
  height: 1.75rem;
  background: #3ca877;
  border: none;
  border-radius: .25rem;
  color: white;
  font-weight: 600;
  cursor: pointer;
}

#prod-toggle.prod {
  background: #904cbc;
}