body {
  margin: 0;
  padding: 0;
  background-color: #333c49;
  font-family: arial;
}

.mainpage {
  margin-top: 30px;
  width: 650px;
  margin-left: auto;
  margin-right: auto;
}

.tooltip-nav {
  margin-left: 80px;
}

.bouton-tooltip {
  position: absolute;
  width: 45px;
  line-height: 45px;
  border-radius: 100px;
  text-align: center;
  background-color: #222831;
  color: white;
  border: solid 3px #1D232C;
  display: inline-block;
  cursor: default;
}

.tooltip-nav:hover .bouton-tooltip {
  width: 45px;
  line-height: 45px;
  border-radius: 100px;
  text-align: center;
  background-color: #282F37;
  color: white;
  border: solid 3px #1D232C;
  display: inline-block;
}

.tooltip_more {
  position: relative;
  display: none;
  background-color: #222831;
  border-radius: 850px;
  line-height: 50px;
  width: 500px;
  text-align: center;
  position: absolute;
  margin-left: auto;
  margin-right: auto;
}

@keyframes expand_nav {
  0% {
    width: 45px
  }
  80% {
    width: 500px;
  }
}

.tooltip-nav:hover .tooltip_more {
  display: inline-block;
  animation-name: expand_nav;
  animation-duration: 450ms;
}

@keyframes expand_bouton_nav {
  0% {
    letter-spacing: -10px;
    margin-left: -50px;
    margin-right: -50px;
    padding: 0;
  }
  20% {
    margin-left: -50px;
    margin-right: -50px;
  }
  100% {
    letter-spacing: normal;
    margin-left: 15px;
    margin-right: 15px;
  }
}

.tooltip-nav:hover .bouton_nav {
  display: inline-block;
  animation-name: expand_bouton_nav;
  animation-duration: 450ms;
}

.bouton_nav {
  text-decoration: none;
  color: white;
  display: inline-block;
  width: 100px;
  line-height: 25px;
  border-radius: 100px;
  text-align: center;
  margin-left: 15px;
  margin-right: 15px;
  z-index: 200;
}

.bouton_nav:hover {
  background-color: white;
  color: black;
}

.contenu {
  position: absolute;
  margin-left: auto;
  margin-right: auto;
  margin-top: 80px;
}

.right {
  position: inherit;
  margin-top: 2px;
  margin-bottom: auto;
  vertical-align: middle;
  width: 570px;
  height: 365px;
  background-color: #21262F;
  z-index: -1;
  left: 20px;
  border-radius: 15px;
  padding: 40px;
}

.bouton-contact {
  text-align: center;
  box-shadow: 0px 0px 10px #172225;
  border-radius: 50px;
  background: linear-gradient(to bottom right, #00BFFF, #001EFF);
  color: white;
  width: 240px;
  line-height: 30px;
  margin-left: auto;
  margin-right: auto;
  margin-top: 80px;
  display: block;
  text-decoration: none;
}

.bouton-contact:hover {
  background: linear-gradient(to bottom right, #00A4FF, #1100FF);
}

.para{
  color: white;
  margin-bottom: 10px;
}

.para1{
  color: white;
}

.ico{
  color: white;
}

a{
  color:#00A4FF;;
  text-decoration: none;
}

a.sites{
  text-decoration: underline;
  color: white;
}


h3{
  color: white;
}

.bleu{
  color:#00A4FF;
}

.copyright {
  display: block;
  font-size: 10px;
  width: 650px;
  text-align: center;
  position: absolute;
  top: 620px;
  line-height: 40px;
}

@media all and (min-height:700px) {
  .copyright {
    position: fixed;
    top: inherit;
    bottom: 0px;
    height: 40px;
  }
}

@media all and (max-width:800px) {
  .mainpage {
    width: 470px;
  }

  .tooltip-nav {
    margin-left: 50px;
  }

  .bouton-tooltip {
    width: 45px;
  }

  .tooltip_more {
    width: 500px;
    padding-left: 40px;
  }

  @keyframes expand_nav {
    0% {
      width: 45px
    }
    80% {
    width: 320px;
    }
  }

  .tooltip-nav:hover .tooltip_more {
    animation-name: expand_nav;
    animation-duration: 450ms;
    width: 320px;
  }

  @keyframes expand_bouton_nav {
    0% {
      margin-left: -50px;
      margin-right: -50px;
      padding: 0;
    }
    20% {
      margin-left: -50px;
      margin-right: -50px;
    }
    100% {
      margin-left: 5px;
      margin-right: 5px;
    }
  }

  .tooltip-nav:hover .bouton_nav {
    animation-name: expand_bouton_nav;
    animation-duration: 450ms;
    margin-left: 5px;
    margin-right: 5px;
  }

  .bouton_nav {
    width: 80px;
  }

  .right {
    width: 350px;
    height: 450px;
  }

  .bouton-contact {
    margin-top: 60px;
  }

  .copyright {
    width: 470px;
    top: 680px;
  }
}