@font-face {
    font-family: 'ti-83_plus_largeregular';
    src: url('ti-83-plus-large-webfont.woff2') format('woff2'),
         url('ti-83-plus-large-webfont.woff') format('woff');
    font-weight: normal;
    font-style: normal;
}
body {
  background-image: url('DC.jpg');
  background-repeat: no-repeat;
  background-position: center;
  background-attachment: fixed;
  background-size: cover;
  color: cyan;
  font-family: 'ti-83_plus_largeregular';
}
h1 {
  text-align: center;
}
h2 {
  text-align: center;
}