html, body { height: 100% }

body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    width: 100%;
    height: 100%;
    background: rgb(20, 20, 40)
}
@import url('https://fonts.googleapis.com/css?family=Montserrat:200,300,400,600');
.extra {
  position: fixed;
  left: 20px;
  bottom: 20px;
  z-index: 10;
  font-family: "Montserrat";
  font-size: 12px;
}
a.white-mode, a.white-mode:link, a.white-mode:visited, a.white-mode:active {
  font-family: "Montserrat";
  font-size: 12px;
  text-decoration: none;
  background: #212121;
  padding: 4px 8px;
  color: #f7f7f7;
}
.title {
  z-index: 10;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translateX(-50%) translateY(-50%);
  font-family: "Montserrat";
  text-align: center;
  width: 100%;
}
h1 {
    position: relative;
    color: #FFF;
    font-weight: 100;
    font-size: 90px;
    padding: 0;
    margin: 0;
    line-height: 1;
    text-shadow: 0 0 10px #0798db, 0 0 20px #0798db, 0 0 30px #0798db, 0 0 40px #0489c7, 0 0 70px #0489c7, 0 0 80px #0489c7, 0 0 100px #0489c7, 0 0 150px #0489c7;
}
span {
      font-weight: 600;
      padding: 0;
      margin: 0;
      color: #FFFFFF;
}
h3 {  
    font-weight: 200;
    font-size: 20px;
    padding: 0;
    margin: 0;
    line-height: 1;
    color: #FFFFFF;
    letter-spacing: 2px;
}