html, body {
  width: 100%;
  height: 100%;
  margin: 0px;
  padding: 0px;
  font-size: 22px;
  color: white;
}

body {
  font-family: 'Fira Sans', sans-serif;
  background-color: black;
  background-image: url('background_space.jpg');
  background-repeat: no-repeat;
  background-size: cover;
  background-position: 50% 50%;
}

a {
  color: white;
  text-decoration: none;
  outline: none;
}

.link {
  text-decoration: underline;
}


.panel {
  position: absolute;
  right: 50px;
  bottom: 50px;
  display: flex;
  flex-direction: row;
  align-items: center;
  z-index: 100;
  justify-content: space-between;
}

.wiki {
  background: #7e56ff; /* fallback for old browsers */
  background: -webkit-linear-gradient(135deg, #5a00ff, #ff1ff7); /* Chrome 10-25, Safari 5.1-6 */
  background: linear-gradient(135deg, #5a00ff, #ff1ff7); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
}
.wiki > span:before {
  content: "Guides";
}
.href {
  background: #5ba739; /* fallback for old browsers */
  background: -webkit-linear-gradient(135deg, #327c00, #90ff00); /* Chrome 10-25, Safari 5.1-6 */
  background: linear-gradient(135deg, #1a7c00, #90ff00); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
}
.href > span:before {
  content: "Marque-pages";
}


.feeds {
  background: #567eff; /* fallback for old browsers */
  background: -webkit-linear-gradient(135deg, #005aff, #1ff7ff); /* Chrome 10-25, Safari 5.1-6 */
  background: linear-gradient(135deg, #005aff, #1ff7ff); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
}
.feeds > span:before {
  content: "Fil d'actus";
}

.get {
  background: #222222; /* fallback for old browsers */
  background: -webkit-linear-gradient(135deg, #222222, #999999); /* Chrome 10-25, Safari 5.1-6 */
  background: linear-gradient(135deg, #222222, #999999); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
}
.get > span:before {
  content: "Télécharger";
}


.logo {
  width: 200px;
  height: 200px;
  margin: 30px;
  line-height: 180px;
  font-size: 49px;

  text-align: center;

  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
  -webkit-transform: perspective(600px);
  transform: perspective(600px);
}

.logo > span {
  position: relative;
  display: block;
  -webkit-transform: translateZ(60px) scale(0.7);
  transform: translateZ(60px) scale(0.7);
}

.logo > span:before, .logo > span:after {
  font-family: 'Saira Condensed', sans-serif;
  font-size: 32px;
  line-height: 280px;

  position: absolute;
  left: 50%;
  transition: 0.1s ease all;
}
.logo > span:after {
  content: "";
  transform: translateX(-50%);
  opacity: 0.8;
}
.logo > span:before {
  transform: translateX(-50%) translateY(-10px);
  opacity: 0;
  display: inline-block;
  width: 100%;
}

.logo:hover > span:after {
  opacity: 0;
  transform: translateX(-50%) translateY(10px);
}
.logo:hover > span:before {
  opacity: 0.8;
  transform: translateX(-50%);
}

.logo:after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
/*
  background-color: #333;
  box-shadow: 0 20px 70px -10px rgba(51, 51, 51, 0.7), 0 50px 100px 0 rgba(51, 51, 51, 0.2);
*/
  z-index: -1;
  -webkit-transform: translateZ(-50px);
  transform: translateZ(-50px);
  -webkit-transition: .1s;
  transition: .1s;
}


.bottomleft {
  position: absolute;
  left: 20px;
  bottom: 20px;
  font-size: 14px;
  color: #333;
  z-index: 1000;
}


@media only screen and (max-width: 1200px) {
  .panel {
    bottom: 30px;
  }
  .bottomleft {
    bottom: 12px;
    font-size: 12px;
  }
  .logo {
    width: 120px;
    height: 120px;
    margin: 20px;
    line-height: 110px;
    font-size: 28px;
  }
  .logo > span:before, logo > span:after {
    font-size: 22px;
    line-height: 170px;
  }
}
@media only screen and (max-width: 800px) {
  .panel {
    bottom: 24px;
  }
  .bottomleft {
    bottom: 8px;
    font-size: 10px;
  }
  .logo {
    width: 100px;
    height: 100px;
    margin: 10px;
    line-height: 90px;
    font-size: 21px;
  }
  .logo > span:before, logo > span:after {
    font-size: 19px;
    line-height: 136px;
  }
}
@media only screen and (max-width: 600px) {
  .panel {
    bottom: 18px;
  }
  .bottomleft {
    bottom: 4px;
    font-size: 10px;
  }
  .logo {
    width: 80px;
    height: 80px;
    margin: 5px;
    line-height: 70px;
    font-size: 18px;
  }
  .logo > span:before, logo > span:after {
    font-size: 16px;
    line-height: 110px;
  }
}