body {
    background-color: #000;
}

html {
  font: 100%/1.5 "Roboto", Verdana, sans-serif;
  color: #fff;
  -webkit-font-smoothing: antialiased;
  width: 100%;


  /* Centering in The Unknown */
  text-align: center;
}

.mainimg {
  width:100%;
  height:600px;
  text-align: center;
}

#sph{
  display: none;
  width:900px;
  height:506px;
}

#itp{
    font-size: 6rem;
    font-weight: 100;
    letter-spacing: -0.05em;
    line-height: 1;
}