html {
  background-color: #c5ccd3;
}

.panel {
  display: none;

  position: absolute;
}

.active {
  display: block;
}

.content {
  margin: 10px;
  background-color: #fff;
  border-radius: 8px;
  -webkit-border-radius: 8px;
  padding: 20px;
}