html {
  height: 100%;
  background-color: black;
  color: white;
  font-family: Verdana, Helvetica, sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.1s ease-in-out;
}

a:hover {
  text-decoration: none;
  text-shadow: 5px 5px 10px #fff, -5px -5px 10px #fff;
}

#background-image {
  background-image: url("https://cdn.enp.one/img/backgrounds/cl-photo-allis.jpg");
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;

  filter: blur(6px);
  -webkit-filter: blur(6px);

  position: fixed;
  height: 100%;
  width: 100%;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
}

#content {
  text-align: center;
  text-shadow: 3px 3px 5px #000, -3px -3px 5px #000;
  font-weight: bold;
  color: white;

  padding: 1em;

  width: 40em;
  max-width: 90%;
  background-color: rgba(0, 0, 0, 0.4);
  border-style: solid;
  border-width: 2px;
  border-color: rgba(0, 0, 0, 0);
  border-radius: 128px;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.6), 0 6px 20px 0 rgba(0, 0, 0, 0.6);

  position: absolute;
  top: 15%;
  left: 50%;
  transform: translate(-50%, 0);
  z-index: 10;
}

#logo {
  margin: auto;
  margin-top: -5em;
  max-width: 60%;
  width: 50%;
  display: block;
  border-style: solid;
  border-color: rgba(0, 0, 0, 0.2);
  border-radius: 50%;
  border-width: 5px;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.4), 0 6px 20px 0 rgba(0, 0, 0, 0.4);
}

h1 {
  font-variant: small-caps;
  font-size: 2.5em;
}

#content p {
  margin: 2em;
  line-height: 1.5;
}

ul.buttons {
  list-style: none;
  padding-left: 0;
  margin-top: 1em;
  margin-bottom: 1em;
  font-size: 1.75em;
}

ul.buttons li {
  line-height: 1;
  padding: 0.5em;
  margin-left: 0.5em;
  margin-right: 0.5em;

  text-transform: uppercase;
}

.button.nav {
  padding-top: 0.75em;
  padding-bottom: 0.55em;
  padding-left: 1.5em;
  padding-right: 1.5em;

  border-radius: 30px;

  transition: all 0.25s ease-in-out;
}

.button:hover {
  text-shadow:
    -3px -3px 5px #fff,
    -3px 3px 5px #fff,
    3px -3px 5px #fff,
    3px 3px 5px #fff,
    0px 0px 7px #ff0000;
}

.button.nav:hover {
  text-shadow:
    0px 0px 7px #000,
    -5px -5px 10px #fff,
    -5px 5px 10px #fff,
    5px -5px 10px #fff,
    5px 5px 10px #fff;

  -webkit-animation-name: pulse;
  -webkit-animation-duration: 5s;
  -webkit-animation-timing-function: linear;
  -webkit-animation-iteration-count: infinite;
  -webkit-animation-fill-mode: none;
  animation-name: pulse;
  animation-duration: 5s;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
  animation-fill-mode: none;
}

.explore:hover { color: #5588e0; }

.youtube:hover { color: #ff0000; }

.instagram:hover { color: #c13584; }

.twitter:hover { color: #1da1f2; }

#background-info {
  text-align: right;
  font-size: 0.85em;

  padding: 0.75em;
  position: fixed;
  bottom: 0;
  right: 0;
  z-index: 5;
}

footer { font-size: 0.9em; }

footer div { margin-bottom: 0.5em; }

footer a.button i {
  padding: 0.5em;
  font-size: 1.25em;
}

.fadeout {
  -webkit-animation: fadeout 0.25s linear 1;
  -webkit-animation-fill-mode: forwards;
  animation: fadeout 0.25s linear 1;
  animation-fill-mode: forwards;
}

#preloader {
  width: 100%;
  height: 100%;
  display: inline-block;
  overflow: hidden;
  background-color: black;
  z-index: 100;
  margin: 0;
  position: fixed;
  top: 0;
  left: 0;
}

.spinner {
  width: 140px;
  height: 140px;
  position: relative;
  backface-visibility: hidden;
  transform-origin: 0 0;
  transform: translate(-50%, -50%);
  top: 50%;
  left: 50%;

  background-size: contain;
  border-radius: 50%;
}

.spinner div {
  position: absolute;
  width: 100px;
  height: 100px;
  border: 20px solid rgba(213, 213, 213, 1);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spinner 1.5s linear infinite;
  top: 50%;
  left: 50%;
  box-sizing: content-box;
}

@-webkit-keyframes fadeout {
  0% {opacity: 1;}
  100% {opacity: 0;}
}

@keyframes fadeout {
  0% {opacity: 1;}
  100% {opacity: 0;}
}

@keyframes pulse {
  0% {
    box-shadow:
      0px 0px 15px 3px #fff,
      0px 0px 15px 3px #88a9fc;
  }
  10% {
    box-shadow:
      -10px -10px 15px 3px #fff,
      10px 10px 15px 3px #88a9fc;
  }
  30% {
    box-shadow:
      -10px 10px 15px 3px #b5f7fc,
      10px -10px 15px 3px #fcaa99;
  }
  45% {
    box-shadow:
      10px 10px 15px 3px #ecf9a7,
      -10px -10px 15px 3px #fcaa99;
  }
  60% {
    box-shadow:
      10px -10px 15px 3px #ecf9a7,
      -10px 10px 15px 3px #abfcad;
  }
  75% {
    box-shadow:
      -10px -10px 15px 3px #b5f7fc,
      10px 10px 15px 3px #abfcad;
  }
  90% {
    box-shadow:
      -10px 10px 15px 3px #fff,
      10px -10px 15px 3px #88a9fc;
  }
  100% {
    box-shadow:
      0px 0px 15px 3px #b5f7fc,
      0px 0px 15px 3px #88a9fc;
  }
}

@-webkit-keyframes spinner {
  0% { transform: translate(-50%,-50%) rotate(0deg); }
  100% { transform: translate(-50%,-50%) rotate(360deg); }
}

@keyframes spinner {
  0% { transform: translate(-50%,-50%) rotate(0deg); }
  100% { transform: translate(-50%,-50%) rotate(360deg); }
}

@media only screen and (max-width: 600px) {
  #content {
    padding: 0;
    padding-bottom: 1em;
    border-radius: 32px;
    top: 6em;
  }

  #content p {
    margin: 1em;
  }

  ul.buttons {
    margin-top: 1.5em;
    margin-bottom: 1.5em;
  }

  ul.buttons li {
    display: block;
    margin-top: 1em;
  }
}