body {
  width: 100%;
  overflow-x: hidden;
}

h2,
h3 {
  margin-bottom: 0;
}


#layout-btn {
  background-color: #272b30;
  border: 1px solid white;
  color: white;
  width: 90px;
  border-radius: 5px;
}

#layout-btn:hover {
  background-color: #030404;
  cursor: pointer;
}

body.light #layout-btn {
  background-color: white;
  border: 1px solid black;
  color: black;
}

body.light #layout-btn:hover {
  background-color: #fff;
}