button {
  display: block;
}

article.create-class {
  display: none;
}

article.create {
  display: none;
}

article.delete-class {
  display: none;
}

h4.class-code {
  display: none;
}

article.your-sets {
  display: none;
}

button.post {
  display: none;
}

h4.result {
  display: none;
}

li.student {
  cursor: pointer;
  width: min-content;
}