body{
  background: #87b5b5;
}

#editor{
  width: 500px;
  height: 300px;
  resize: none;
  background: #c0d8d8
}

#preview{
  width: 500px;
  height: 300px;
  border: 1px solid black;
  overflow: scroll;
  background: #c0d8d8
}

.toolbar{
  background: #4aa3a3;
  display: flex;
  justify-content: space-between;
  padding: 5px;
}

.container{
  flex-wrap: wrap;
}