body {
  background-position: center center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-size: cover;
  background-color: #f1f1f1;
  font-family: 'Noto Sans', sans-serif;
}

/* remove the underline link style */
a:focus, a:hover {
  text-decoration: none;
}

/* add a gap under the navbar */
#firstContent:before {
  display: block;
  content: " ";
  height: 70px;
  visibility: hidden;
}

body {
  background-position: center center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-size: cover;
  background-color: #f1f1f1;
  font-family: 'Noto Sans', sans-serif;
}

/* remove the underline link style */
a:focus, a:hover {
  text-decoration: none;
}

/* add a gap under the navbar */
#firstContent:before {
  display: block;
  content: " ";
  height: 70px;
  visibility: hidden;
}
h1 {
  font-size: 200%;
}

Change font size of h1 tag
Change font size of h1 tag
