html,body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  font-family: sans-serif;
  background-color: #0a0e15;
  color: white;
  overflow: hidden;
}
h1 {
  margin-top: 0;
  font-weight: normal;
}
label {
  display: block;
  margin-bottom: 1em;
}
input {
  margin-bottom: 1em;
  padding: .5em;
  font-size: 16px;
}
input[type="submit"] {
  background-color: transparent;
  color: white;
  border: 1px solid white;
}
button {
  padding: 5px 12px;
  font-size: 21px;
  color: white;			
  background-color: transparent;
  border: 1px solid;
  border-radius: 0;
  cursor: pointer;
}
.wrapper {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  width: 100%;
  height: 100%;
}
.card {
  position: relative;
  display: none;
  padding: 30px;
  text-align: center;
  -webkit-transform: translateZ(0);
  -ms-transform: translateZ(0);
  transform: translateZ(0);
}
.card.active {
  display: block;
}
.card__content--loading,
.card__content--loaded,
.card__content--credits {
  opacity: 0;
}
.card__content--credits {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 2;
  box-sizing: border-box;
  padding: 20px;
  color: black;
  pointer-events: none;
  transition: 1s ease all;
}
.card__content--loading.active,
.card__content--loaded.active,
.card__content--credits.active {
  opacity: 1;
}
.button--play {
  position: relative;
  width: 100px;
  height: 100px;
  background-color: #E6C01E;
  border-radius: 50%;
  border: none;
  -webkit-transform: translateZ(0);
          transform: translateZ(0);
}
.button--play.button--loading {
  cursor: wait;
}
.button--play.button--loading:before {
  display: block;
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(200,200,0,0.8);
  border-radius: 50%;
  -webkit-animation: 1s loading infinite;
          animation: 1s loading infinite;
}
@-webkit-keyframes loading {
  0% {
    opacity: 1;
    -webkit-transform: scale(0);
            transform: scale(0);
  }
  100% {
    opacity: 0;
    -webkit-transform: scale(1);
            transform: scale(1);
  }
}
@keyframes loading {
  0% {
    opacity: 1;
    -webkit-transform: scale(0);
            transform: scale(0);
  }
  100% {
    opacity: 0;
    -webkit-transform: scale(1);
            transform: scale(1);
  }
}
.button--play:after {
  display: block;
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url(../play.svg);
  background-size: 90px;
  background-position: 12px 6px;
  background-repeat: no-repeat;
  opacity: 1;
  -webkit-transition: 0.5s ease all;
  -o-transition: 0.5s ease all;
  transition: 0.5s ease all;
}
.button--play.button--playing {
  -webkit-animation: playing linear 600s;
          animation: playing linear 600s;
  -webkit-animation-fill-mode: forwards;
          animation-fill-mode: forwards;
}
@-webkit-keyframes playing {
  0% {
    -webkit-transform: translateZ(0) scale(1);
            transform: translateZ(0) scale(1);
  }
  100% {
    -webkit-transform: scale(12);
            transform: scale(12);
  }
}
@keyframes playing {
  0% {
    -webkit-transform: scale(1);
            transform: scale(1);
  }
  100% {
    -webkit-transform: scale(12);
            transform: scale(12);
  }
}
.button--play.button--loading:after,
.button--play.button--playing:after {
  opacity: 0;
}
.visually-hidden {
  position: absolute !important;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  width: 1px;
  height: 1px;
  word-wrap: normal;
}