style.css

/* preset for all */
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

/* for fixed frame */
html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  
}

#intro {
  position: absolute;
  left: 0;
  top: 10%;
  padding: 0 10px;
  width: 100%;
  text-align: center;
}

/* canvas {
  display: block;
  vertical-align: bottom;
} */

/* ---- particles.js container ---- */

#particles-js {
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: #000000;
  background-image: url("images/BGI.jpg");
  background-repeat: no-repeat, repeat;
  background-size: cover;
  background-position: 50% 50%;
}