body {
    overflow-x: hidden;
    overflow-y: scroll;
    -webkit-overflow-scrolling: touch;
}

h1 {
  background-color: #008080;
}

h2 {
  background-color: #800080;
}

h3 {
  background-color: #008000;
}

h4 {
  background-color: #800000;
}

h5 {
  background-color: #000080;
}