styles.css

html, body {
  margin: 0;  
}

@font-face {
  font-family: "Synetactile";
  src: url(font/SyneTactile-Regular.ttf) format("truetype");
}

body{
  font-family: "Synetactile", sans-serif;
  font-size: 2em;
  color: rgba(255, 255, 255, 1);
}

html {
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

h1 {
  margin: 20vh auto 0 auto;
  text-align: center;
}

#bg {
  position: fixed;
  z-index: -10;
  top: 0;
  left: 0;
  height: 100vh;
  width: 100vw;
  background: url(img/bg.jpg);
}

form {
  margin: 10vh auto 0 auto;
  padding: 0 0.5em;
  max-width: 1200px;
  display: none;
}

#q1 {
  display: none;
}

.question {
  font-size: 1.4em;
  display: block;
  text-align: center;
  margin: 0 auto 1em auto;
}

.answers {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}

.radinput {
  display: flex;
  align-items: center;
}

.radinput:hover{
  cursor: pointer;
}

.radinput input[type="radio"] {
  opacity: 0;
  position: fixed;
  width: 0;
}

.radinput input[type="radio"]:checked + span {
  background-image: url(img/radioTick.png);
}

.radnew{
  display: inline-block;
  width: 1em;
  height: 1em;
  background-image: url(img/radio.png);
  background-size: cover;
  margin: 0 0.15em 0 0.5em;
}

.subinput {
  display: flex;
  justify-content: space-around;
  margin: 2em auto 0 auto;
  font-size: inherit;
  font-family: inherit;
}

.subinput label:hover{
  cursor: pointer;
}

.subinput input[type="submit"] {
  opacity: 0;
  position: fixed;
  width: 0;
}

.subnew {
  display: inline-block;
  background-image: url(img/next.png);
  background-size: cover;
  width: 2em;
  height: 2em;
}

#elementalAnimation {
  display: none;
  justify-content: space-around;
  margin: 2em auto;
}

#elementalAnimation img {
  width: 30vh;
}

#elementsMenu {
  position: absolute;
  display: none;
  top: 20vh;
  left: 0;
  width: 0;
  height: 0;
}

#elementsMenu div {
  font-size: 1.4em;
  text-align: center;
  margin: 0 auto 2em auto;
}

#elementalIcons {
  display: flex;
  justify-content: space-around;
  align-items: center;
}

#elementalIcons img:hover {
  cursor: pointer;
}

#elementsMenu img {
  max-width: 20vw;
}

#video-bg {
  width: 0;
  height: 0;
  position: absolute;
  display: none;
  top: 0;
  left: 0;
  background-color: rgba(25, 25, 25, 1);
}

#loading {
  position: absolute;
  top: 20vh;
  width: 100%;
  text-align: center;
}

#loading img {
  position: relative;
  width: 10vw;
}

#video {
  width: 0;
  max-width: 100%;
  height: 0;
  max-height: 100%;
  position: absolute;
  display: none;
  top: 0;
  left: 0;
}

#counter {
  display: none;
  position: absolute;
  top: 20vh;
  left: 0;
  width: 0;
  text-align: center;
}

#counter #time {
  margin: 0 auto;
  font-size: 2em;
}

#counter #info {
  margin: 0 auto;
}